Asset Write-Downs and Other Charges and Credits - Narrative (Details) (USD $)	12 Months Ended			0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011 newspaper	Nov. 26, 2013 Financing Agreement [Member]
Component of Operating Other Cost and Expense [Line Items]
Restructuring charges	$ 4,893,000	$ 9,335,000	$ 9,935,000
Non-cash charge for loss on disposition of investments and impairments	4,500,000
Non-cash charge to write off unamortized deferred loan fees				4,600,000
Contract termination fee		5,663,000
Impairment of investments		1,400,000
Acquisition and related integration costs	0	5,826,000	2,787,000
Impairment of long-lived assets	$ 0	$ 0	$ 9,000,000
Number of locations with long-lived assets subject to impairment			4