Facilities Action (Income) Charges, Net System Optimization Accrual Rollforward (Details) (System Optimization [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 7,448
Charges	10,601
Payments	(9,557)
Ending balance	8,492
Severance, Retention and Other Payroll Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	7,051
Charges	5,533
Payments	(5,392)
Ending balance	7,192
Consulting and Professional Fees [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	137
Charges	2,631
Payments	(2,330)
Ending balance	438
Other [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	260
Charges	2,437
Payments	(1,835)
Ending balance	$ 862