UNAUDITED CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY AND REDEEMABLE NONCONTROLLING INTEREST - 9 months ended Dec. 31, 2016 - USD ($) $ in Thousands	Total	Redeemable Noncontrolling Interest	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Noncontrolling Interests	Total Stockholders' Investment
Redeemable noncontrolling interest, beginning balance at Mar. 31, 2016		$ 15,473
Stockholders' equity, beginning balance at Mar. 31, 2016	$ 1,509,892		$ 377	$ 801,173	$ 1,172,273	$ (289,819)	$ (184,796)	$ 10,684	$ 1,509,892
Common stock, shares, beginning balance at Mar. 31, 2016	34,976,743		34,976,743
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, value		0	$ 1	5,873	0	0	0	0	5,874
Issuance of common stock, shares			119,016
Distributions paid to noncontrolling interests		0	$ 0	0	0	0	0	(38)	(38)
Dividends paid to noncontrolling interest	$ (2,533)	0	0	0	0	0	0	(2,533)	(2,533)
Common stock dividends		0	0	0	(7,366)	0	0	0	(7,366)
Currency translation adjustments	5,652	(2,064)	0	0	0	0	0	(3,588)	(3,588)
Net loss	(97,227)	(5,142)	0	0	(92,496)	0	0	411	(92,085)
Other comprehensive income		0	0	0	0	(37,122)	0	0	(37,122)
Redeemable noncontrolling interest, ending balance at Dec. 31, 2016		$ 8,267
Stockholders' equity, ending balance at Dec. 31, 2016	$ 1,373,034		$ 378	$ 807,046	$ 1,072,411	$ (326,941)	$ (184,796)	$ 4,936	$ 1,373,034
Common stock, shares, ending balance at Dec. 31, 2016	35,095,759		35,095,759