Reorganization and Realignment Costs System Optimization Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2017	Jul. 03, 2016	Jul. 02, 2017	Jul. 03, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 17,699	$ 2,487	$ 17,880	$ 5,737
System Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	454	1,426	635	3,204
Restructuring Charges	454	2,081	635	4,804
Restructuring and Related Cost, Cost Incurred to Date	41,222		41,222
Restructuring Charges, Incurred to Date	71,633		71,633
System Optimization [Member] | Severance and related employee costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	0	18	3	18
Restructuring and Related Cost, Cost Incurred to Date	18,237		18,237
System Optimization [Member] | Professional fees [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	432	1,445	562	3,146
Restructuring and Related Cost, Cost Incurred to Date	17,172		17,172
System Optimization [Member] | Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	22	(37)	70	40
Restructuring and Related Cost, Cost Incurred to Date	5,813		5,813
Restructuring Reserve, Accrual Adjustment		(50)		(50)
System Optimization [Member] | Accelerated depreciation and amortization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0	655	0	1,600
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