Other (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 25, 2016	Dec. 27, 2015	Sep. 25, 2016	Jun. 26, 2016
Other Expense [Line Items]
Advertising expense	$ 118,600	$ 89,800	$ 83,400
Depreciation expense	61,871	61,723	61,597
Severance liability	18,800	23,200
Capitalized Computer Software Costs [Member]
Other Expense [Line Items]
Depreciation expense	12,800	11,500	11,900
Selling, General and Administrative Expenses [Member]
Other Expense [Line Items]
Severance costs		$ 18,800	$ 7,000
Headquarters Redesign and Consolidation [Member]
Other Expense [Line Items]
Total restructuring costs incurred	10,100
Capital expenditures related to restructuring costs	62,000
Employee Severance [Member] | Selling, General and Administrative Expenses [Member]
Other Expense [Line Items]
Severance costs	$ 23,900
Relocation and Severance-related Charges [Member] | Streamlining of International Print Operations [Member]
Other Expense [Line Items]
Total restructuring costs incurred to date				$ 2,900	$ 11,900