Reorganization and Realignment Costs System Optimization Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2017	Oct. 02, 2016	Oct. 01, 2017	Oct. 02, 2016
Restructuring Cost and Reserve
Restructuring Charges	$ 2,888	$ 2,129	$ 20,768	$ 7,866
System Optimization
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost	232	2,091	867	5,295
Restructuring Charges	232	2,091	867	6,895
Restructuring and Related Cost, Cost Incurred to Date	41,454		41,454
Restructuring Charges, Incurred to Date	71,865		71,865
System Optimization | Severance and related employee costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost	0	28	3	46
Restructuring and Related Cost, Cost Incurred to Date	18,237		18,237
System Optimization | Professional fees
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost	232	1,991	794	5,137
Restructuring and Related Cost, Cost Incurred to Date	17,404		17,404
System Optimization | Other
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost	0	72	70	112
Restructuring and Related Cost, Cost Incurred to Date	5,813		5,813
Restructuring Reserve, Accrual Adjustment				50
System Optimization | Accelerated depreciation and amortization
Restructuring Cost and Reserve
Restructuring Charges	0	0	0	1,600
Restructuring Charges, Incurred to Date	25,398		25,398
System Optimization | Share based compensation
Restructuring Cost and Reserve
Restructuring Charges	0	$ 0	0	$ 0
Restructuring Charges, Incurred to Date	$ 5,013		$ 5,013