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Discontinued Operations (Details) (WQXR FM Radio Station [Member], USD $)
In Thousands
3 Months Ended
Jun. 27, 2010
Dec. 27, 2009
WQXR FM Radio Station [Member]
   
Discontinued operations    
Proceeds from sale of WQXR-FM   $ 45,000
Pre-tax gain from sale of WQXR-FM   35,000
After-tax gain from sale of WQXR-FM   19,000
Post-closing adjustment from sale of WQXR-FM $ 200