Income Taxes (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Operating Loss Carryforwards [Line Items]
Effective tax rate	(1.40%)	38.00%	(0.70%)
Non-deductible goodwill impairment	$ 114,920		$ 262,703
Net deferred tax asset	35,877	29,688
Operating loss carryforwards, annual limitation on deductions due to section 382	6,178
Operating loss carryforwards valuation allowance	3,518
Undistributed Earnings of Foreign Subsidiaries	7,589
Unrecognized tax benefits	4,384	5,340	5,204	8,318
Unrecognized tax benefits, amount expected to reverse in next twelve months	234
Interest and penalties	1,114	1,001	1,812
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Decrease in tax provision due to tax settlement from audit			(1,579)
Operating loss carryforwards, subject to expiration	47,099
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, subject to expiration	107,498
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	25,115
Foreign Tax Authority [Member] | Austria [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, not subject to expiration	208
Foreign Tax Authority [Member] | Belgium [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, not subject to expiration	744
Foreign Tax Authority [Member] | Brazil [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, not subject to expiration	$ 9,488