Condensed Consolidating Financial Statements (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Condensed Consolidated Statements of Comprehensive Income (Loss)
Comprehensive income (loss)	$ (4,141)	$ (33,414)
Reportable legal entities | Parent
Condensed Consolidated Statements of Comprehensive Income (Loss)
Comprehensive income (loss)	(4,310)	(33,510)
Reportable legal entities | Guarantor Subsidiaries
Condensed Consolidated Statements of Comprehensive Income (Loss)
Comprehensive income (loss)	1,419	(25,041)
Reportable legal entities | Non-Guarantor Subsidiaries
Condensed Consolidated Statements of Comprehensive Income (Loss)
Comprehensive income (loss)	5,747	1,142
Reclassifications and Eliminations
Condensed Consolidated Statements of Comprehensive Income (Loss)
Comprehensive income (loss)	$ (6,997)	$ 23,995