Discontinued Operations - Depreciation, Amortization and Capital Expenditures (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015
Discontinued Operations, Disposed of by Sale | Other
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation	$ 112	$ 404
Amortization	0	0
Capital expenditures	0	(273)
Payments for acquisitions, net of cash acquired	0	0
Payments for investments	0	0
Proceeds from investments	$ 0	0
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation		49,946
Amortization		7,008
Capital expenditures		(20,525)
Payments for acquisitions, net of cash acquired		(28,668)
Payments for investments		(2,000)
Proceeds from investments		12,402
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Publishing
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation		49,542
Amortization		7,008
Capital expenditures		(20,252)
Payments for acquisitions, net of cash acquired		(28,668)
Payments for investments		(2,000)
Proceeds from investments		$ 12,402