XML 108 R82.htm IDEA: XBRL DOCUMENT v2.4.0.6
Supplemental Cash Flow Information - Additional Information (Detail) (USD $)
 1 Months Ended 12 Months Ended
Nov. 30, 2010
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Schedule Of Supplemental Cash Flow [Line Items]        
Cash interest paid on long-term debt, advances from affiliates and capital lease obligations   $ 131,100,000 $ 154,300,000 $ 135,500,000
Termination fee     22,600,000  
Income taxes paid   1,500,000 1,500,000 200,000
Purchase price of joint ventures by partnership through issuance of common units 38,070,000     38,324,000
Issuance of common units 1,052,749      
Excalibur and Excelsior [Member]
        
Schedule Of Supplemental Cash Flow [Line Items]        
Purchase price of joint ventures by partnership through issuance of common units $ 37,300,000      
Percentage of ownership in joint venture 50.00%      
Issuance of common units 1,100,000