Reorganization and Reorganization Costs System Optimization Accrual Rollforward (Details) - System Optimization [Member] - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 875	$ 2,804
Charges	7,791	5,184	$ 14,710
Payments	(8,565)	(7,113)
Ending balance	101	875	2,804
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	77	2,235
Charges	82	894	7,608
Payments	(159)	(3,052)
Ending balance	0	77	2,235
Consulting and Professional Fees [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	708	146
Charges	7,437	3,360	3,424
Payments	(8,044)	(2,798)
Ending balance	101	708	146
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	90	423
Charges	272	930	3,678
Payments	(362)	(1,263)
Ending balance	$ 0	$ 90	$ 423