股本结构

单位:万股
公告日期 2025-12-19 2025-09-19 2025-08-07 2025-07-25 2025-07-25 2025-03-21
证券总股本 2544.17 2513.88 2510.04 2504.97 2504.30 2668.65
普通股本 2544.17 2513.88 2510.04 2504.97 2504.30 2668.65
优先股 未披露 未披露 未披露 未披露 未披露 未披露
其他 未披露 未披露 未披露 未披露 未披露 未披露
变动日期 2025-11-30 2025-08-31 2025-07-23 2025-06-30 2025-05-31 2025-02-28
注释:中概股证券总股本=普通股股本/ 存托凭证比例

历史变动

公告日期 变动后普通股本(万股) 变动后优先股(万股) 变动原因 变动日期
2025-12-19 2544.17 未披露
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From August 31, 2025 to November 30, 2025 Treasury stock issued pursuant to equity-based plans
2025-11-30
2025-09-19 2513.88 未披露
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From June 1, 2025 to August 31, 2025 Treasury stock issued pursuant to equity-based plans
2025-08-31
2025-08-07 2510.04 未披露 定期报告 2025-07-23
2025-07-25 2504.97 未披露 定期报告 2025-06-30
2025-07-25 2504.30 未披露
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From May 31, 2024 to May 31, 2025 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2025-05-31
2025-03-21 2668.65 未披露
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From November 30, 2024 to February 28, 2025 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2025-02-28
2024-12-20 2810.11 未披露
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From August 31, 2024 to November 30, 2024 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2024-11-30
2024-09-27 2813.74 未披露
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From June 1, 2024 to August 31, 2024 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2024-08-31
2024-08-08 2826.57 未披露 定期报告 2024-07-25
2024-07-19 2824.07 未披露 定期报告 2024-06-30
2024-07-19 2823.83 未披露
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From May 31, 2023 to May 31, 2024 Purchases of treasury stock at cost Other (share conversion) Treasury stock issued pursuant to equity-based plans
2024-05-31
2024-03-22 2860.57 未披露
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From November 30, 2023 to February 29, 2024 Other (share conversion) Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2024-02-29
2023-12-15 2987.82 未披露
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From August 31, 2023 to November 30, 2023 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2023-11-30
2023-09-22 3101.62 未披露
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From June 1, 2023 to August 31, 2023 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2023-08-31
2023-08-10 3163.29 未披露 定期报告 2023-07-27
2023-07-21 3160.95 未披露 定期报告 2023-06-30
2023-07-21 3166.09 未披露
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From May 31, 2022 to May 31, 2023 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2023-05-31
2023-03-24 3304.82 未披露
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From November 30, 2022 to February 28, 2023 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2023-02-28
2022-12-16 3401.10 未披露
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From August 31, 2022 to November 30, 2022 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2022-11-30
2022-09-23 3440.56 未披露
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From June 1, 2022 to August 31, 2022 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2022-08-31
2022-08-12 3415.17 未披露 定期报告 2022-07-25
2022-07-22 3412.93 未披露 定期报告 2022-06-30
2022-07-22 3420.00 未披露
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From May 31, 2021 to May 31, 2022 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2022-05-31
2022-03-18 3441.97 未披露
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From November 30, 2021 to February 28, 2022 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2022-02-28
2021-12-17 3455.67 未披露
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From August 31, 2021 to November 30, 2021 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2021-11-30
2021-09-24 3441.00 未披露
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From June 1, 2021 to August 31, 2021 Treasury stock issued pursuant to equity-based plans
2021-08-31
2021-08-11 3439.63 未披露 定期报告 2021-07-26
2021-07-23 3437.44 未披露 定期报告 2021-06-30
2021-07-23 3440.00 未披露
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From May 31, 2020 to May 31, 2021 Treasury stock issued pursuant to equity-based plans
2021-05-31
2021-03-19 3432.81 未披露
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From November 30, 2020 to February 28, 2021 Treasury stock issued pursuant to equity-based plans
2021-02-28
2020-12-18 3430.12 未披露
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From August 31, 2020 to November 30, 2020 Treasury stock issued pursuant to equity-based plans
2020-11-30
2020-09-25 3420.33 未披露
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From June 1, 2020 to August 31, 2020 Treasury stock issued pursuant to equity-based plans
2020-08-31
2020-08-11 3418.14 未披露 定期报告 2020-07-27
2020-07-27 3418.72 未披露 定期报告 2020-06-30
2020-07-27 3420.00 未披露
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From May 31, 2019 to May 31, 2020 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2020-05-31
2020-03-20 3427.07 未披露
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From November 30, 2019 to February 29, 2020 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2020-02-29
2019-12-20 3460.64 未披露
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From August 31, 2019 to November 30, 2019 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2019-11-30
2019-09-20 3470.85 未披露
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From June 1, 2019 to August 31, 2019 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2019-08-31
2019-08-08 3482.35 未披露 定期报告 2019-07-26
2019-07-29 3481.99 未披露 定期报告 2019-06-30
2019-07-29 3510.00 未披露
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From May 31, 2018 to May 31, 2019 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2019-05-31
2019-03-22 3521.30 未披露
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from November 30, 2018 to February 28, 2019 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2019-02-28
2018-12-20 3523.24 未披露 定期报告 2018-11-30
2018-10-03 3508.99 未披露 定期报告 2018-08-31
2018-08-14 3501.11 未披露 定期报告 2018-08-01
2018-07-25 3498.88 未披露 定期报告 2018-06-30
2018-07-25 3500.00 未披露
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From May 31, 2017 to May 31, 2018 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2018-05-31
2018-03-23 3473.44 未披露 定期报告 2018-02-28
2017-12-15 3489.71 未披露 定期报告 2017-11-30
2017-09-21 3501.52 未披露 定期报告 2017-08-31
2017-08-09 3512.94 未披露 定期报告 2017-07-28
2017-07-24 3511.64 未披露 定期报告 2017-06-30
2017-07-24 3503.95 未披露
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from May 31, 2016 to May 31, 2017 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2017-05-31
2017-03-24 3482.62 未披露 定期报告 2017-02-28
2016-12-16 3448.86 未披露 定期报告 2016-11-30
2016-09-23 3451.38 未披露 定期报告 2016-08-31
2016-08-09 3440.58 未披露 定期报告 2016-07-29
2016-07-26 3431.46 未披露 定期报告 2016-06-30
2016-07-26 3431.42 未披露
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from May 31, 2015 to May 31, 2016 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
2016-05-31
2016-03-25 3414.19 未披露 定期报告 2016-02-29
2015-12-18 3432.14 未披露 定期报告 2015-11-30
2015-09-25 3408.74 未披露 定期报告 2015-08-31
2015-08-11 3338.53 未披露 定期报告 2015-07-31
2015-07-29 3314.89 未披露 定期报告 2015-06-30
2015-07-29 3313.35 未披露
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from May 31, 2014 to May 31, 2015 Proceeds from issuance of common stock pursuant to stock-based compensation plans Purchases of treasury stock at cost Treasury stock issued pursuant to stock purchase plans
2015-05-31
2015-03-27 3277.42 未披露 定期报告 2015-02-28
2014-12-22 3269.59 未披露 定期报告 2014-11-30
2014-09-26 3272.49 未披露 定期报告 2014-08-31
2014-08-07 3228.44 未披露 定期报告 2014-07-28
2014-07-29 3226.95 未披露 定期报告 2014-06-30
2014-07-29 3226.22 未披露
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from May 31, 2013 to May 31, 2014 Proceeds from issuance of common stock pursuant to stock-based compensation plans Purchases of treasury stock at cost Treasury stock issued pursuant to stock purchase plans
2014-05-31
2014-03-27 3219.71 未披露 定期报告 2014-02-28
2014-01-07 3180.90 未披露 定期报告 2013-11-29
2013-09-27 3188.98 未披露 定期报告 2013-08-31
2013-08-06 3185.62 未披露 定期报告 2013-07-26
2013-07-29 3177.32 未披露 定期报告 2013-06-28
2013-07-29 3176.17 未披露
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from May 31, 2012 to May 31, 2013 Proceeds from issuance of common stock pursuant to stock-based compensation plans Purchases of treasury stock at cost Treasury stock issued pursuant to stock purchase plans
2013-05-31
2013-03-29 3189.57 未披露 定期报告 2013-02-28
2013-01-02 3199.60 未披露 定期报告 2012-11-30
2012-09-28 3166.28 未披露 定期报告 2012-08-31
2012-08-07 3154.28 未披露 定期报告 2012-07-27
2012-07-27 3147.26 未披露 定期报告 2012-06-29
2012-07-27 3145.21 未披露
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from May 31, 2011 to May 31, 2012 Proceeds from issuance of common stock pursuant to stock-based compensation Purchases of treasury stock at cost Treasury stock issued pursuant to stock purchase plans
2012-05-31
2012-03-23 3109.48 未披露 定期报告 2012-02-29
2011-12-22 3105.40 未披露 定期报告 2011-11-30
2011-10-05 3121.40 未披露 定期报告 2011-09-30
2011-07-27 3097.54 未披露 定期报告 2011-06-30
2011-07-27 3097.29 未披露
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from May 31 2010 to May 31 2011 Proceeds from issuance of common stock pursuant to stock-based compensation Purchases of treasury stock at cost Treasury stock issued pursuant to stock purchase plans
2011-05-31
2011-03-31 3092.92 未披露 定期报告 2011-02-28
2010-12-22 3084.62 未披露 定期报告 2010-11-30
2010-10-01 3600.94 未披露 定期报告 2010-09-27
2010-07-26 3614.75 未披露 定期报告 2010-06-30
2010-07-26 3625.45 未披露
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from May 31, 2009 to May 31, 2010 Proceeds from issuance of common stock pursuant to stock-based compensation Purchases of treasury stock at cost Treasury stock issued pursuant to stock purchase plans
2010-05-31
2009-07-30 3639.22 未披露 定期报告 2009-06-30
2009-07-30 3639.65 未披露
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From MAY 31, 2008 to MAY 31, 2009 Proceeds from issuance of common stock pursuant to employee stock-based plans Purchases of treasury stock at cost
2009-05-31
2008-07-30 3798.25 未披露 定期报告 2008-06-30
2008-07-30 4453.85 未披露
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From MAY 31, 2007 to MAY 31, 2008 Tax benefit realized from employee stock-based plans Purchases of treasury stock at cost Purchases of treasury stock at cost
2008-05-31
2007-07-30 3823.93 未披露 定期报告 2007-06-30
2007-07-30 4307.83 未披露
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From MAY 31, 2006 to MAY 31, 2007 Deferred compensation, net of amortization Proceeds from issuance of common stock pursuant to employee stock-based plans
2007-05-31
2006-08-09 4201.15 未披露 定期报告 2006-07-26
2006-08-09 4193.84 未披露
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From MAY 31, 2005 to MAY 31, 2006 Deferred compensation, net of amortization Proceeds from issuance of common stock pursuant to employee stock-based plans
2006-05-31
2005-08-08 4085.08 未披露 定期报告 2005-07-22
2005-08-08 4073.27 未披露
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From MAY 31, 2004 to MAY 31, 2005 Deferred compensation, net of amortization Proceeds from issuance of common stock pursuant to employee stock plans
2005-05-31
2004-08-02 3960.41 未披露 定期报告 2004-07-26
2004-08-02 3958.72 未披露
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From MAY 31, 2003 to MAY 31, 2004 Deferred compensation, net of amortization Proceeds from issuance of common stock pursuant to employee stock plans
2004-05-31
2003-08-18 3926.55 未披露 定期报告 2003-08-01
2003-08-18 3926.45 未披露
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From MAY 31, 2002 to MAY 31, 2003 Proceeds from issuance of common stock pursuant to employee stock plans
2003-05-31
2002-08-22 3908.06 未披露 定期报告 2002-08-10
2002-08-22 3523.29 未披露
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From MAY 31, 2001 to MAY 31, 2002 Proceeds from issuance of common stock pursuant to employee stock plans Conversion of Convertible Subordinated Debentures and related costs
2002-05-31
2001-08-24 3523.37 未披露 定期报告 2001-08-10
2001-08-24 3523.29 未披露
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From MAY 31, 2000 to MAY 31, 2001 Proceeds from issuance of common stock pursuant to employee stock plans On December 14, 2000, the Company's Board of Directors authorized a 2-for-1 stock split in the form of a 100% stock dividend on its Common Stock and Class A Stock, effective January 16, 2001 to shareholders of record as of December 29,2000 (the "2-for-1 Stock Split")
2001-05-31
2000-08-25 1706.67 未披露 定期报告 2000-08-09
2000-08-25 1700.43 未披露
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From MAY 31, 1999 to MAY 31, 2000 PROCEEDS FROM ISSUANCE OF COMMON STOCK PURSUANT TO EMPLOYEE STOCK PLANS (531,039 SHARES ISSUED, 450,652 SHARES FROM TREASURY STOCK, NET OF 25,072 SHARES SURRENDERED)
2000-05-31
1999-08-23 1649.80 未披露 定期报告 1999-08-05
1999-08-23 1647.32 未披露
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From MAY 31, 1998 to MAY 31, 1999 Comprehensive income: Total comprehensive income
1999-05-31
1998-08-26 1628.87 未披露 定期报告 1998-08-06
1998-08-26 1626.76 未披露
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From MAY 31, 1997 to MAY 31, 1998 Stock options exercised
1998-05-31
1997-08-26 1619.81 未披露
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From MAY 31, 1996 to MAY 31, 1997 Stock options exercised
1997-05-31
1996-08-23 1587.66 未披露 定期报告 1996-06-28
1996-08-23 1585.81 未披露
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From MAY 31, 1995 to MAY 31, 1996 Stock options exercised
1996-05-31
1996-08-23 1569.12 未披露
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From MAY 31, 1994 to MAY 31, 1995 Stock options exercised
1995-05-31
From August 31, 2025 to November 30, 2025 Treasury stock issued pursuant to equity-based plans
From June 1, 2025 to August 31, 2025 Treasury stock issued pursuant to equity-based plans
From May 31, 2024 to May 31, 2025 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From November 30, 2024 to February 28, 2025 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From August 31, 2024 to November 30, 2024 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From June 1, 2024 to August 31, 2024 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From May 31, 2023 to May 31, 2024 Purchases of treasury stock at cost Other (share conversion) Treasury stock issued pursuant to equity-based plans
From November 30, 2023 to February 29, 2024 Other (share conversion) Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From August 31, 2023 to November 30, 2023 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From June 1, 2023 to August 31, 2023 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From May 31, 2022 to May 31, 2023 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From November 30, 2022 to February 28, 2023 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From August 31, 2022 to November 30, 2022 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From June 1, 2022 to August 31, 2022 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From May 31, 2021 to May 31, 2022 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From November 30, 2021 to February 28, 2022 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From August 31, 2021 to November 30, 2021 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From June 1, 2021 to August 31, 2021 Treasury stock issued pursuant to equity-based plans
From May 31, 2020 to May 31, 2021 Treasury stock issued pursuant to equity-based plans
From November 30, 2020 to February 28, 2021 Treasury stock issued pursuant to equity-based plans
From August 31, 2020 to November 30, 2020 Treasury stock issued pursuant to equity-based plans
From June 1, 2020 to August 31, 2020 Treasury stock issued pursuant to equity-based plans
From May 31, 2019 to May 31, 2020 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From November 30, 2019 to February 29, 2020 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From August 31, 2019 to November 30, 2019 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From June 1, 2019 to August 31, 2019 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From May 31, 2018 to May 31, 2019 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
from November 30, 2018 to February 28, 2019 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
From May 31, 2017 to May 31, 2018 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
from May 31, 2016 to May 31, 2017 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
from May 31, 2015 to May 31, 2016 Purchases of treasury stock at cost Treasury stock issued pursuant to equity-based plans
from May 31, 2014 to May 31, 2015 Proceeds from issuance of common stock pursuant to stock-based compensation plans Purchases of treasury stock at cost Treasury stock issued pursuant to stock purchase plans
from May 31, 2013 to May 31, 2014 Proceeds from issuance of common stock pursuant to stock-based compensation plans Purchases of treasury stock at cost Treasury stock issued pursuant to stock purchase plans
from May 31, 2012 to May 31, 2013 Proceeds from issuance of common stock pursuant to stock-based compensation plans Purchases of treasury stock at cost Treasury stock issued pursuant to stock purchase plans
from May 31, 2011 to May 31, 2012 Proceeds from issuance of common stock pursuant to stock-based compensation Purchases of treasury stock at cost Treasury stock issued pursuant to stock purchase plans
from May 31 2010 to May 31 2011 Proceeds from issuance of common stock pursuant to stock-based compensation Purchases of treasury stock at cost Treasury stock issued pursuant to stock purchase plans
from May 31, 2009 to May 31, 2010 Proceeds from issuance of common stock pursuant to stock-based compensation Purchases of treasury stock at cost Treasury stock issued pursuant to stock purchase plans
From MAY 31, 2008 to MAY 31, 2009 Proceeds from issuance of common stock pursuant to employee stock-based plans Purchases of treasury stock at cost
From MAY 31, 2007 to MAY 31, 2008 Tax benefit realized from employee stock-based plans Purchases of treasury stock at cost Purchases of treasury stock at cost
From MAY 31, 2006 to MAY 31, 2007 Deferred compensation, net of amortization Proceeds from issuance of common stock pursuant to employee stock-based plans
From MAY 31, 2005 to MAY 31, 2006 Deferred compensation, net of amortization Proceeds from issuance of common stock pursuant to employee stock-based plans
From MAY 31, 2004 to MAY 31, 2005 Deferred compensation, net of amortization Proceeds from issuance of common stock pursuant to employee stock plans
From MAY 31, 2003 to MAY 31, 2004 Deferred compensation, net of amortization Proceeds from issuance of common stock pursuant to employee stock plans
From MAY 31, 2002 to MAY 31, 2003 Proceeds from issuance of common stock pursuant to employee stock plans
From MAY 31, 2001 to MAY 31, 2002 Proceeds from issuance of common stock pursuant to employee stock plans Conversion of Convertible Subordinated Debentures and related costs
From MAY 31, 2000 to MAY 31, 2001 Proceeds from issuance of common stock pursuant to employee stock plans On December 14, 2000, the Company's Board of Directors authorized a 2-for-1 stock split in the form of a 100% stock dividend on its Common Stock and Class A Stock, effective January 16, 2001 to shareholders of record as of December 29,2000 (the "2-for-1 Stock Split")
From MAY 31, 1999 to MAY 31, 2000 PROCEEDS FROM ISSUANCE OF COMMON STOCK PURSUANT TO EMPLOYEE STOCK PLANS (531,039 SHARES ISSUED, 450,652 SHARES FROM TREASURY STOCK, NET OF 25,072 SHARES SURRENDERED)
From MAY 31, 1998 to MAY 31, 1999 Comprehensive income: Total comprehensive income
From MAY 31, 1997 to MAY 31, 1998 Stock options exercised
From MAY 31, 1996 to MAY 31, 1997 Stock options exercised
From MAY 31, 1995 to MAY 31, 1996 Stock options exercised
From MAY 31, 1994 to MAY 31, 1995 Stock options exercised