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Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				12 Months Ended			3 Months Ended
	Dec. 26, 2010	Sep. 26, 2010	Jun. 27, 2010	Mar. 28, 2010	Dec. 25, 2011	Dec. 26, 2010	Dec. 27, 2009	Dec. 27, 2009 WQXR-FM [Member]
Discontinued operations
Revenues						$ 0	$ 5,062
Production cost and selling, general and administrative costs						0	7,082
Pre-tax (loss)/income						0	(2,020)
Income tax (benefit)/expense						0	(864)
Discontinued operations						0	(1,156)
Pre-tax gain from sale of WQXR-FM					0	16	34,914
Income tax expense/(benefit)						3	15,426
Gain on sale, net of income taxes					0	13	19,488
Income from discontinued operations, net of income taxes	0	(224)	237	0	0	13	18,332
Proceeds from the sale of Radio Operations					$ 0	$ 0	$ 45,424	$ 45,000