v2.4.0.8
Changes in Partnership's Intangible Assets, Net (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]      
Balance, Beginning of Year $ 598,535 $ 595,488 $ 779,311
Amortization Expense (95,671) (139,174) (207,591)
Acquisitions 57,884 142,221 23,768
Balance, End of Year $ 560,748 $ 598,535 $ 595,488