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Stockholder's equity

12 Months Ended

Mar. 31, 2011

Notes to Financial Statements [Abstract]

16.	STOCKHOLDERS' EQUITY

Stock Repurchase Activity. On December 11, 2007, the Company announced that its Board of Directors had authorized the repurchase of up to 10.0 million shares of its common stock in the open market or in privately negotiated transactions. As of March 31, 2011, the Company had repurchased 7.5 million shares under this authorization for $234.7 million. There is no expiration date associated with this program.

The Company's Board of Directors authorized the repurchase of 21.5 million shares of its common stock concurrent with the junior subordinated convertible debenture transaction for $638.6 million and no further shares are available to be repurchased under this authorization.

During the years ended March 31, 2011 and 2010, the Company did not purchase any of its shares of common stock. During the year ended March 31, 2009, the Company purchased 4.0 million shares of its common stock for $123.9 million.

As of March 31, 2011, approximately 29.2 million shares remained as treasury shares with the balance of the shares being used to fund share issuance requirements under the Company's equity incentive plans.

- Definition

Disclosures related to accounts comprising shareholders' equity, including other comprehensive income. Includes: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables; effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure.

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