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Partnership Acquisition of Heritage Propane (Details Textual) (Heritage Propane [Member], USD $)
In Millions, except Share data, unless otherwise specified
0 Months Ended
Jan. 12, 2012
Heritage Propane [Member]
 
Acquisition (Textual) [Abstract]  
Purchase price of the acquisition $ 2,604.8
Business acquired by parent through subsidiaries for cash 1,472.2
Common units issued by AmeriGas Partners (in units) 29,567,362
Consideration in AmeriGas Partners Common Units $ 1,132.6