Reorganization and Realignment Costs G&A Realignment Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2016	Mar. 29, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 3,250	$ 4,613
General and Administrative Realignment and Reinvestment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	527	2,484
Restructuring Charges	527	4,163
Restructuring and Related Cost, Cost Incurred to Date	17,459
Restructuring Charges, Incurred to Date	23,795
General and Administrative Realignment and Reinvestment [Member] | Severance and related employee costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	(24)	1,982
Restructuring and Related Cost, Cost Incurred to Date	14,904
Restructuring Reserve, Accrual Adjustment	32
General and Administrative Realignment and Reinvestment [Member] | Recruitment and relocation costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	1,300
Restructuring and Related Cost, Incurred Cost	540	470
Restructuring and Related Cost, Cost Incurred to Date	2,407
General and Administrative Realignment and Reinvestment [Member] | Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	11	32
Restructuring and Related Cost, Cost Incurred to Date	148
General and Administrative Realignment and Reinvestment [Member] | Share Based Compensation Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0	$ 1,679
Restructuring Charges, Incurred to Date	$ 6,336