Facilities Action (Income) Charges, Net Facilities Relocation Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended							12 Months Ended
	Dec. 28, 2014	Sep. 28, 2014	Mar. 30, 2014	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 6,530	$ 7,520	$ (44,033)	$ (20,834)	$ 22,275	$ 6,377	$ 3,038	$ (29,100)	$ 10,856	$ 41,031
Facilities Relocation and Other Transition Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost									4,574	26,769
Restructuring Charges								0	4,574	28,990
Restructuring and Related Cost, Cost Incurred to Date	36,702							36,702
Restructuring and Related Costs Incurred To Date Net of Accelerated Depreciation Expense and Share-Based Compensation Expense	39,091							39,091
Restructuring and Related Cost, Expected Cost Remaining	0							0
Facilities Relocation and Other Transition Costs [Member] | Severance, Retention and Other Payroll Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost									1,856	9,952
Restructuring and Related Cost, Cost Incurred to Date	17,153							17,153
Facilities Relocation and Other Transition Costs [Member] | Relocation costs
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost									1,898	5,222
Restructuring and Related Cost, Cost Incurred to Date	7,120							7,120
Facilities Relocation and Other Transition Costs [Member] | Atlanta facility closure costs
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost									337	4,541
Restructuring and Related Cost, Cost Incurred to Date	4,878							4,878
Facilities Relocation and Other Transition Costs [Member] | Consulting and Professional Fees [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost									128	4,928
Restructuring and Related Cost, Cost Incurred to Date	5,056							5,056
Facilities Relocation and Other Transition Costs [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost									355	2,126
Restructuring and Related Cost, Cost Incurred to Date	2,495							2,495
Facilities Relocation and Other Transition Costs [Member] | Accelerated Depreciation Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost									0	1,921
Restructuring and Related Cost, Cost Incurred to Date	2,118							2,118
Facilities Relocation and Other Transition Costs [Member] | Share Based Compensation Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost									0	300
Restructuring and Related Cost, Cost Incurred to Date	$ 271							$ 271