Other (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 28, 2015	Mar. 29, 2015	Jun. 29, 2014	Mar. 30, 2014	Jun. 28, 2015	Jun. 29, 2014	Dec. 28, 2014
Other Expense [Line Items]
Severance costs	$ 1,900		$ 2,200		$ 3,400	$ 5,300
Severance liability	19,900				19,900		$ 34,600
Pension settlement charges	0		9,525		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	21,100		25,600		42,500	47,600
Depreciation expense	15,810		19,169		30,654	39,261
Capitalized Computer Software Costs
Other Expense [Line Items]
Depreciation expense	$ 3,100		6,800		$ 6,000	$ 14,300
Pension Plans, Defined Benefit
Other Expense [Line Items]
Pension settlement charges		$ 40,300	$ 9,500