Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (158,000)	$ 32,000	$ 134,000
Other comprehensive (loss) income, net of tax:
Unrealized (loss) gain on anticipated sales hedging transactions	(6,000)	7,000	0
Unrealized (loss) on forward interest rate swaps hedging transactions	(7,000)	(8,000)	0
Foreign currency translation adjustment	(26,000)	1,000	1,000
Comprehensive (loss) income	$ (197,000)	$ 32,000	$ 135,000