Goodwill (Details) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2014	Sep. 28, 2013
Goodwill [Abstract]
Projection period for discounted cash flow analyses to estimate reporting unit fair value	10 years
Goodwill [Line Items]
Goodwill	$ 1,087,429	$ 1,087,429
Propane [Member]
Goodwill [Line Items]
Goodwill	1,075,091	1,075,091
Fuel oil and refined fuels [Member]
Goodwill [Line Items]
Goodwill	4,438	4,438
Natural gas and electricity [Member]
Goodwill [Line Items]
Goodwill	$ 7,900	$ 7,900