Reorganization and Realignment Costs System Optimization Costs (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]
Restructuring Charges	$ 2,487	$ 6,279	$ 5,737	$ 10,892
System Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	3,700		3,700
Restructuring and Related Cost, Incurred Cost	1,426	285	3,204	735
Restructuring Charges	2,081	1,907	4,804	2,357
Restructuring and Related Cost, Cost Incurred to Date	36,000		36,000
Restructuring Charges, Incurred to Date	66,411		66,411
System Optimization [Member] | Severance and related employee costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	18	303	18	629
Restructuring and Related Cost, Cost Incurred to Date	18,170		18,170
System Optimization [Member] | Professional fees [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	1,445	110	3,146	151
Restructuring and Related Cost, Cost Incurred to Date	12,319		12,319
System Optimization [Member] | Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	(37)	(128)	40	(45)
Restructuring and Related Cost, Cost Incurred to Date	5,511		5,511
Restructuring Reserve, Accrual Adjustment	(50)	(210)	(50)	(210)
System Optimization [Member] | Accelerated depreciation and amortization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	655	1,622	1,600	1,622
Restructuring Charges, Incurred to Date	25,398		25,398
System Optimization [Member] | Share based compensation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0	$ 0	0	$ 0
Restructuring Charges, Incurred to Date	$ 5,013		$ 5,013