Other (Details) - USD ($) $ in Thousands	3 Months Ended					9 Months Ended
	Sep. 27, 2015	Mar. 29, 2015	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Sep. 27, 2015	Sep. 28, 2014	Dec. 28, 2014
Other Expense [Line Items]
Severance costs	$ 1,000		$ 21,400			$ 4,300	$ 26,700
Severance liability	14,900					14,900		$ 34,600
Pension settlement charges	0		0			40,329	9,525
Multiemployer pension plan withdrawal expense	0	$ 4,700	0			4,697	0
Charge for early termination of distribution agreement					$ 2,600
Advertising expense	20,600		20,100			63,100	67,700
Depreciation expense	15,369		19,375			46,023	58,636
Capitalized Computer Software Costs
Other Expense [Line Items]
Depreciation expense	$ 2,900		$ 6,900			$ 8,900	$ 21,200
Pension Plans, Defined Benefit
Other Expense [Line Items]
Pension settlement charges		$ 40,300		$ 9,500