Segment Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 27, 2014 Segment	Sep. 28, 2013	Sep. 29, 2012
Segment Information [Abstract]
Number of operating segments	5
Number of reportable segments	3
Revenues [Abstract]
Total revenues	$ 1,938,257	$ 1,703,606	$ 1,063,458
Operating income [Abstract]
Total operating income	190,126	176,976	41,657
Reconciliation to net income [Abstract]
Loss on debt extinguishment	11,589	2,144	2,249
Interest expense, net	83,261	95,427	38,633
Provision for income taxes	767	607	137
Net income	94,509	78,798	638
Depreciation and amortization [Abstract]
Total depreciation and amortization	136,399	130,384	47,034
Assets [Abstract]
Total assets	2,609,363	2,727,987
All Other [Member]
Revenues [Abstract]
Total revenues	49,640	58,115	38,103
Operating income [Abstract]
Total operating income	(25,644)	(26,483)	(17,239)
Depreciation and amortization [Abstract]
Total depreciation and amortization	699	638	345
Assets [Abstract]
Total assets	3,342	3,860
Corporate [Member]
Operating income [Abstract]
Total operating income	(93,437)	(92,780)	(91,533)
Depreciation and amortization [Abstract]
Total depreciation and amortization	23,734	20,381	7,747
Assets [Abstract]
Total assets	157,349	176,956
Reportable Segments [Member] | Propane [Member]
Revenues [Abstract]
Total revenues	1,606,840	1,357,102	843,648
Operating income [Abstract]
Total operating income	295,916	287,473	142,548
Depreciation and amortization [Abstract]
Total depreciation and amortization	106,491	104,533	34,826
Assets [Abstract]
Total assets	2,365,320	2,452,909
Reportable Segments [Member] | Fuel Oil and Refined Fuels [Member]
Revenues [Abstract]
Total revenues	194,684	208,957	114,288
Operating income [Abstract]
Total operating income	2,473	(2,799)	890
Depreciation and amortization [Abstract]
Total depreciation and amortization	5,429	4,634	3,652
Assets [Abstract]
Total assets	69,360	77,473
Reportable Segments [Member] | Natural Gas and Electricity [Member]
Revenues [Abstract]
Total revenues	87,093	79,432	67,419
Operating income [Abstract]
Total operating income	10,818	11,565	6,991
Depreciation and amortization [Abstract]
Total depreciation and amortization	46	198	464
Assets [Abstract]
Total assets	$ 13,992	$ 16,789