INCOME TAXES: - Expense (Benefit) Allocation and Components and Loss Before Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Allocation of total income tax expense (benefit)
Earnings (loss) from continuing operations	$ 4,534	$ (11,632)	$ (14,805)
Earnings from discontinued operations		3,598	11,973
Stockholder's equity:
Tax shortfall (excess tax benefits) from stock-based compensation	(2,183)	293	(4,645)
Total income tax expense (benefit) allocated	2,351	(7,741)	(7,477)
Current:
U.S. Federal	9,778	(2,410)	(7,744)
Non-U.S.	472	535	164
State	3,102	1,907	(2,260)
Total current	13,352	32	(9,840)
Deferred:
U.S. Federal	(3,680)	(3,789)	(1,064)
Non-U.S.	405	(3,220)	326
State	(5,543)	(4,655)	(4,227)
Total deferred	(8,818)	(11,664)	(4,965)
Total	4,534	(11,632)	(14,805)
Earnings (loss) before income tax attributable to U.S. and non-U.S. continuing operations
U.S.	7,936	(6,952)	(24,459)
Non-U.S.	706	(13,328)	(16,888)
Income (loss) from continuing operations before income taxes	$ 8,642	$ (20,280)	$ (41,347)