Net Income Per Limited Partner Unit (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
May. 02, 2016
Mar. 31, 2016
Subsequent Event [Member]    
Schedule Of Earnings Per Unit [Line Items]    
Distribution Made to Limited Partner, Cash Distributions Declared $ 18.9  
Distribution Made to Limited Partner, Distributions Declared, Per Unit $ 0.1875  
Distribution Made to Limited Partner, Distribution Date May 20, 2016  
Distribution Made to Limited Partner, Date of Record May 13, 2016  
Minimum    
Schedule Of Earnings Per Unit [Line Items]    
Distribution Made to Limited Partner, Distributions Paid, Per Unit   $ 0.1675
Minimum | Annualized    
Schedule Of Earnings Per Unit [Line Items]    
Distribution Made to Limited Partner, Distributions Paid, Per Unit   $ 0.67