Condensed Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2015	Jun. 27, 2014	Jul. 03, 2015	Jun. 27, 2014
Tax expense (benefit) for the change in unrealized gain (loss) on derivative instruments	$ 51	$ (38)	$ 95	$ 41
Tax expense for pension plan adjustments	$ 961	$ 408	$ 1,922	$ 810