Goodwill and Intangible Assets (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013	Sep. 28, 2013
Intangible assets subject to amortization
Gross carrying value	$ 477,481		$ 477,481		$ 501,127
Accumulated amortization	(178,992)		(178,992)		(163,651)
Total amortization expense	10,700	11,400	21,942	22,939
Acquired technology
Intangible assets subject to amortization
Gross carrying value	21,589		21,589		21,609
Accumulated amortization	(17,955)		(17,955)		(17,123)
Acquired technology | Minimum
Intangible assets subject to amortization
Estimated useful life			4 years
Acquired technology | Maximum
Intangible assets subject to amortization
Estimated useful life			10 years
Customer and roaster agreements
Intangible assets subject to amortization
Gross carrying value	26,479		26,479		26,977
Accumulated amortization	(21,080)		(21,080)		(19,750)
Customer and roaster agreements | Minimum
Intangible assets subject to amortization
Estimated useful life			8 years
Customer and roaster agreements | Maximum
Intangible assets subject to amortization
Estimated useful life			11 years
Customer relationships
Intangible assets subject to amortization
Gross carrying value	392,991		392,991		414,967
Accumulated amortization	(124,794)		(124,794)		(113,061)
Customer relationships | Minimum
Intangible assets subject to amortization
Estimated useful life			2 years
Customer relationships | Maximum
Intangible assets subject to amortization
Estimated useful life			16 years
Trade names
Intangible assets subject to amortization
Gross carrying value	36,048		36,048		37,200
Accumulated amortization	(14,789)		(14,789)		(13,353)
Trade names | Minimum
Intangible assets subject to amortization
Estimated useful life			9 years
Trade names | Maximum
Intangible assets subject to amortization
Estimated useful life			11 years
Non-compete agreements
Intangible assets subject to amortization
Gross carrying value	374		374		374
Accumulated amortization	$ (374)		$ (374)		$ (364)
Non-compete agreements | Minimum
Intangible assets subject to amortization
Estimated useful life			2 years
Non-compete agreements | Maximum
Intangible assets subject to amortization
Estimated useful life			5 years