Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Income tax expense	$ 4,056	$ 2,236	$ 28,721	$ 3,963
Unrecognized tax benefits that could significantly change during the next twelve months	2,300		2,300
Total potential decrease in UTB	2,300		2,300
Maximum
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Unrecognized tax benefits, associated interest and penalties that could significantly change within the next twelve months	$ 100		$ 100
U.S. Federal
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Statutory income tax rate			35.00%