Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2015	Mar. 30, 2014	Dec. 28, 2014
Supplemental Cash Flow Information [Abstract]
Interest	$ 380	$ 541
Income tax payments	1,358	2,287
Capital expenditures accrued	1,600	$ 600
Dividend payable	21,384		$ 0
Dividend payable, non-cash liability	$ 400