CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	7 Months Ended	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	May 31, 2010
Net income (loss)	$ (5,565)	$ (1,153)	$ 73,609	$ 62,870
Other comprehensive income (loss):
Unrealized income (loss) on marketable securities, net of tax	(1)	78	(3)	63
Derivatives:
Unrealized (loss) income on derivative financial instruments	1,661	(1,563)	(5,781)	0
Reclassification adjustment for loss included in net income	342	1,783	2,024	0
Tax effect	(776)	(87)	1,463	0
Unrealized income (loss) on derivative financial instruments, net of tax	1,227	133	(2,294)	0
Change in foreign currency translation adjustments	1,063	407	(578)	0
Total other comprehensive income (loss)	2,289	618	(2,875)	63
Comprehensive income (loss)	$ (3,276)	$ (535)	$ 70,734	$ 62,933