Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands		3 Months Ended
	Apr. 10, 2015	Mar. 27, 2016	Mar. 29, 2015
Supplemental Cash Flow Information [Abstract]
Interest		$ 502	$ 380
Income tax payments		1,188	1,358
Capital expenditures accrued		$ 1,000	$ 1,600
Dividend paid	$ 21,000
Dividend payable, non-cash liability	$ 400