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Subsequent Events	9 Months Ended
Subsequent Events	Dec. 31, 2017
Text Block [Abstract]
Subsequent Events	Subsequent Events On January 9, 2018, the ASR was settled, and the Company received an additional 216,738 shares. The Company repurchased a total of 1,495,714 shares under the ASR for a total cash investment of $100,000 at an average price of $66.86. On February 7, 2018, the Board of Directors approved a quarterly cash dividend of $0.175 per share of common stock to be paid on March 30, 2018, to stockholders of record as of March 16, 2018.