Discontinued Operations (Narrative) (Details) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2013 Daily Herald [Member]	Mar. 31, 2014 Sale of Publishing Subsidiaries [Member]	Dec. 31, 2013 Sale of Publishing Subsidiaries [Member]	Apr. 11, 2014 Common Class B [Member] Sale of WPLG [Member] Subsequent Event [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of shares received in Berkshire Hathaway agreement						1.6
Pre-tax gain (loss) on sale and/or disposition	$ (4,737,000)	$ (70,000)	$ (100,000)
After-tax gain (loss) on sale and/or disposition				(3,000,000)	100,000,000
Expenses in discontinued operations	10,134,000	168,077,000
Early retirement program expense	$ 4,490,000	$ 14,258,000