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Stock Repurchase Activity | 12 Months Ended
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Mar. 31, 2018
Equity [Abstract] |
Stock Repurchase Activity | Stock Repurchase Activity In December 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, 2015, the Company had repurchased 7.5 million shares under this authorization for $234.7 million. In May 2015, the Company's Board of Directors authorized an increase to the existing share repurchase program to 20.0 million shares of common stock from the approximately 2.5 million shares remaining under the prior authorization. During fiscal 2016, the Company repurchased 8.6 million shares under this authorization for $363.8 million. In January 2016, the Company's Board of Directors authorized an increase to the existing share repurchase program to 15.0 million shares of common stock from the approximately 11.4 million shares remaining under the prior authorization. There were no repurchases of common stock during fiscal 2018 and fiscal 2017. There is no expiration date associated with this repurchase program. As of March 31, 2018, approximately 18.2 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.

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- Definition The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -URI http://asc.fasb.org/subtopic&trid=2208821 + Details
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