Goodwill and Intangible Assets (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Sep. 24, 2011	Sep. 25, 2010
Intangible assets subject to amortization
Gross carrying value	$ 517,497	$ 505,754
Accumulated amortization	(121,526)	(74,084)
Total amortization expense	45,991	41,339	14,973
Estimated useful life	9 years 3 months 18 days
Estimated aggregate amortization expense for the remainder of fiscal 2012, for each of the next five years and thereafter
2013	46,371
2014	45,750
2015	44,198
2016	43,491
2017	42,095
Thereafter	174,066
Acquired technology
Intangible assets subject to amortization
Gross carrying value	21,622	21,609
Accumulated amortization	(15,433)	(13,525)
Acquired technology | Maximum
Intangible assets subject to amortization
Estimated useful life	10 years
Acquired technology | Minimum
Intangible assets subject to amortization
Estimated useful life	4 years
Customer and roaster agreements
Intangible assets subject to amortization
Gross carrying value	27,323	27,259
Accumulated amortization	(16,796)	(13,723)
Customer and roaster agreements | Maximum
Intangible assets subject to amortization
Estimated useful life	11 years
Customer and roaster agreements | Minimum
Intangible assets subject to amortization
Estimated useful life	8 years
Customer relationship
Intangible assets subject to amortization
Gross carrying value	430,178	418,901
Accumulated amortization	(79,168)	(40,593)
Customer relationship | Maximum
Intangible assets subject to amortization
Estimated useful life	16 years
Customer relationship | Minimum
Intangible assets subject to amortization
Estimated useful life	5 years
Trade names
Intangible assets subject to amortization
Gross carrying value	38,000	37,611
Accumulated amortization	(9,785)	(5,919)
Trade names | Maximum
Intangible assets subject to amortization
Estimated useful life	11 years
Trade names | Minimum
Intangible assets subject to amortization
Estimated useful life	9 years
Non-compete agreements
Intangible assets subject to amortization
Gross carrying value	374	374
Accumulated amortization	$ (344)	$ (324)
Non-compete agreements | Maximum
Intangible assets subject to amortization
Estimated useful life	5 years
Non-compete agreements | Minimum
Intangible assets subject to amortization
Estimated useful life	2 years