Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Total stock-based compensation expense	$ 3,046	$ 2,143	$ 5,828	$ 2,035	[1]
Income tax benefit	1,038	722	2,005	696
Total stock-based compensation expense, net of tax	2,008	1,421	3,823	1,339
Employee Service Share-based Compensation, Expense (Benefit) of Change in Forfeiture Rate				(1,200)
Stock Options [Member]
Total stock-based compensation expense	672	694	1,316	929
Time-Based, Performance-Based and Market-Based Stock Awards [Member]
Total stock-based compensation expense	$ 2,374	$ 1,449	$ 4,512	$ 1,106

[1] The six months ended June 28, 2014 includes a $1.2 million benefit related to a change in estimated forfeitures due to employee turnover during the three months ended March 29, 2014.