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Shareholders' Equity	6 Months Ended
Shareholders' Equity	Sep. 30, 2017
Stockholders' Equity Note [Abstract]
Shareholders' Equity	13. Shareholders’ Equity Share Repurchase Program In December 2011, the Board of Directors authorized a share repurchase program totaling $20.0 million to acquire shares of the Company's outstanding common stock. The repurchases are to be made at management’s discretion in the open market or in privately negotiated transactions in compliance with applicable securities laws and other legal requirements and are subject to market conditions, share price and other factors. The Company did not repurchase any shares during the first two quarters of 2018 or 2017. There is no expiration date for the repurchase program.