Stockholders' Deficit (AOCI) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2014
Accumulated Comprehensive Income [Roll Forward]
Beginning Balance	$ (11,449)
Other comprehensive income (loss) before reclassifications	(36,524)
Amounts reclassified from AOCI	1,458
Net change in other comprehensive income (loss)	(35,066)
Ending Balance	(46,515)
Defined Benefit Plans
Accumulated Comprehensive Income [Roll Forward]
Beginning Balance	(71,417)	[1]
Other comprehensive income (loss) before reclassifications	514	[1]
Amounts reclassified from AOCI	1,458	[1]
Net change in other comprehensive income (loss)	1,972	[1]
Ending Balance	(69,445)	[1]
Cumulative Translation Adjustment
Accumulated Comprehensive Income [Roll Forward]
Beginning Balance	59,968
Other comprehensive income (loss) before reclassifications	(37,038)
Amounts reclassified from AOCI	0
Net change in other comprehensive income (loss)	(37,038)
Ending Balance	$ 22,930

[1] See Note 10 to the Consolidated Financial Statements.