Reorganization and Realignment Costs Summary (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2016	Jun. 28, 2015	Jul. 03, 2016	Jun. 28, 2015
Restructuring Cost and Reserve [Line Items]
Reorganization and realignment costs	$ 2,487	$ 6,279	$ 5,737	$ 10,892
General and Administrative Realignment and Reinvestment [Member]
Restructuring Cost and Reserve [Line Items]
Reorganization and realignment costs	406	4,372	933	8,535
System Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Reorganization and realignment costs	$ 2,081	$ 1,907	$ 4,804	$ 2,357