Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2014
Income Taxes [Abstract]
Benefit from provision for income taxes	$ (9,656)	$ (1,122)
Loss before income taxes	(26,024)	(4,412)
Effective tax rate	37.10%	25.40%
Unrecognized tax benefits	16,297	14,833	16,280
Unrecognized tax benefits would affect the Company's effective tax rate if recognized	409
Reasonably possible amount that unrecognized tax benefits could decrease	(409)
Accrued interest and penalties related to uncertain tax positions	193	622	187
Valuation allowance against deferred tax assets	9,897	70,385	9,885
Current deferred tax assets	24,215	10,777	22,553
Non-current deferred tax assets	65,931	15,225	57,810
Long-term deferred tax liabilities	3,812	3,759	3,812
Other long-term tax liabilities	$ 630