v2.4.0.8
Long-Term Incentive Plan (Cash Flow Effects Of LTIP Settlements) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Long Term Incentive Plan [Line Items]      
Settlement of tax withholdings on long-term incentive compensation $ 12,259,000 $ 13,001,000 $ 7,410,000
Management [Member]
     
Long Term Incentive Plan [Line Items]      
Partners' Capital Account, Units, Unit-based Compensation 476,682 722,766 505,492
Settlement of tax withholdings on long-term incentive compensation 12,300,000 13,000,000 7,400,000
Payments for Other Taxes 1,100,000 1,300,000 900,000
Total Cash Taxes Paid (in millions) $ 13,400,000 $ 14,300,000 $ 8,300,000