Costs Associated with Exit and Restructuring Activities - Summary (Details) - June 2013 Plan and April 2014 Plan - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	$ 2,525	$ 2,064	$ 5,673	$ 6,210
Cost of Goods
Total restructuring, impairment and restructuring related charges
Restructuring related charges	152	494	444	1,404
Operating Earnings
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	$ 2,373	$ 1,570	$ 5,229	$ 4,806