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Other Information (Schedule Of Other Long-Term Liabilities) (Detail) - USD ($)
$ in Thousands
Dec. 31, 2014
Dec. 31, 2013
Other Information [Abstract]    
Unrecognized tax benefits $ 110,410 $ 131,015
Asset retirement obligation 53,936 59,125
Non-qualified plan liabilities 11,568 11,844
Deferred income 23,734 16,247
Deferred rent 125,530 120,092
Employee related liabilities 39,963 31,617
Other 89,722 92,080
Total other long-term liabilities $ 454,863 $ 462,020