Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data	Jun. 30, 2011	Sep. 30, 2010	Jun. 30, 2010
Current assets:
Allowances for doubtful accounts	$ 17,056	$ 15,290	$ 15,326
Depreciation and amortization on property, plant and equipment	$ 923,467	$ 867,250	$ 855,423
AmeriGas Partners, L.P. partners' capital:
Common units, issued	57,124,296	57,088,509	57,088,509