Condensed Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2012 Successor [Member]	Sep. 30, 2013 Successor [Member]	Sep. 30, 2013 Successor [Member]	Sep. 28, 2012 Predecessor [Member]	Sep. 28, 2012 Predecessor [Member]
Net (loss) income	$ 1,588	$ (29,299)	$ (65,836)	$ (1,378)	$ 21,176
Other comprehensive (loss) income:
Unrealized (loss) gain on marketable securities, net of tax	0	0	(22)	(23)	36
Unrealized loss on cash flow hedges, net of tax	0	(1,878)	(1,878)	0	0
Less: reclassification adjustment for net (gains) losses included in net income, net of tax	0	0	0	0	0
Other comprehensive (loss) income	0	(1,878)	(1,900)	(23)	36
Comprehensive (loss) income	$ 1,588	$ (31,177)	$ (67,736)	$ (1,401)	$ 21,212