Other (Details) - USD ($) $ in Thousands	3 Months Ended																	12 Months Ended
	Dec. 27, 2015		Sep. 27, 2015		Jun. 28, 2015		Mar. 29, 2015		Dec. 28, 2014		Sep. 28, 2014	[2]	Jun. 29, 2014		Mar. 30, 2014	[2]	Dec. 29, 2013	Dec. 27, 2015		Dec. 28, 2014		Dec. 29, 2013
Other Expense [Line Items]
Severance costs																		$ 7,000		$ 36,100		$ 12,400
Severance liability	$ 14,900								$ 34,600									14,900		34,600
Pension settlement charge	0	[1]	$ 0	[1]	$ 0	[1]	$ 40,329	[1]	$ 0	[2]	$ 0		$ 9,525	[2]	$ 0			40,329	[1]	9,525	[2]	3,228
Lump-sum payments made from Company cash													24,000				$ 10,900
Multiemployer pension plan withdrawal expense	$ 4,358	[3]	$ 0	[3]	$ 0	[3]	4,697	[3]										9,055	[3]	0		6,171	[3]
Charge for early termination of distribution agreement																				2,600
Advertising expense																		83,400		89,500		86,000
Reduction in uncertain tax positions																		(2,545)		(21,147)		(1,803)
Capitalized Computer Software Costs [Member]
Other Expense [Line Items]
Depreciation expense																		11,900		29,400		$ 27,400
Pension Plan [Member]
Other Expense [Line Items]
Pension settlement charge							40,300						9,500				3,200	98,348		24,015
Lump-sum payments to be made from plan assets							98,300											$ 98,348		$ 24,015
Reduction in pension benefit obligation							$ 142,800						$ 32,000				$ 12,700

[1] We recorded a settlement charge related to a lump-sum payment offer to certain former employees who participated in a non-qualified pension plan.

[2] We recorded a settlement charge related to a lump-sum payment offer to certain former employees who participated in a non-qualified pension plan.

[3] We recorded an estimated charge related to partial withdrawal obligations under multiemployer pension plans.