Discontinued Operations - Depreciation, Amortization and Capital Expenditures (Details) - Discontinued Operations, Disposed of by Sale - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 29, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation		$ 25,204
Amortization		3,399
Capital expenditures		(6,429)
Proceeds from sale of certain assets		5,655
Payments for investments		(2,000)
Proceeds from investments		7,883
Publishing
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation		24,996
Amortization		3,399
Capital expenditures		(6,347)
Proceeds from sale of certain assets		5,655
Payments for investments		(2,000)
Proceeds from investments		7,883
Other
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation	$ 112	208
Amortization	0	0
Capital expenditures	0	(82)
Proceeds from sale of certain assets	0	0
Payments for investments	0	0
Proceeds from investments	$ 0	$ 0