Equity (Summary of Changes in Total Equity) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Non-cash stock compensation			$ 10,427	$ 11,515
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period			146,343
Share-based compensation			10,427
Proceeds from exercise of stock options			1,245	2,782
Exercise of stock options			1,245
Purchase and distribution of stock under employee stock purchase plan			562
Repurchase of statutory withholdings of stock issued for restricted stock units			(1,773)
Foreign currency translation gains (loss)	$ 56	$ 1,339	(167)	1,810
Other comprehensive loss, net of tax	56	1,339	(167)	1,810
Net income	(4,282)	(11,290)	(4,874)	(6,112)
Total comprehensive income	(4,226)	$ (9,951)	(5,041)	$ (4,302)
Balance at end of period	151,763		151,763
Parent
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period			146,846
Share-based compensation			10,427
Exercise of stock options			1,245
Purchase and distribution of stock under employee stock purchase plan			562
Repurchase of statutory withholdings of stock issued for restricted stock units			(1,773)
Other comprehensive loss, net of tax			(167)
Net income			(4,874)
Total comprehensive income			(5,041)
Balance at end of period	152,266		152,266
Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period			(503)
Share-based compensation			0
Exercise of stock options			0
Purchase and distribution of stock under employee stock purchase plan			0
Repurchase of statutory withholdings of stock issued for restricted stock units			0
Other comprehensive loss, net of tax			0
Net income			0
Total comprehensive income			0
Balance at end of period	$ (503)		$ (503)