Income Tax - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 30, 2012	Sep. 28, 2013	Sep. 30, 2012
Income Tax Disclosure [Line Items]
Income tax (provision) benefit	$ (704,000)	$ (37,000)	$ 23,838,000	$ (128,000)
Effective tax rate	33.70%
Deferred tax assets	24,000,000		24,000,000
Unrecognized tax benefits	100,000		100,000
Delaware Corporation
Income Tax Disclosure [Line Items]
Income tax (provision) benefit			9,000,000
Deferred tax assets	$ 14,800,000		$ 14,800,000