Divestitures (Details) (Filterfresh, USD $)	0 Months Ended		1 Months Ended	3 Months Ended
	Dec. 24, 2011	Oct. 03, 2011	Oct. 31, 2011	Dec. 24, 2011
Filterfresh
Acquisitions and divestitures
Cash received on sale of subsidiary			$ 149,500,000
Amount of cash transferred as part of sale of subsidiary			4,400,000
Net cash inflow related to sale of subsidiary			145,200,000
Payment made for settlement of contingency	7,400,000
Adjusted purchase price	142,100,000
Gain on sale of subsidiary				26,300,000
Revenues and net income of disposal group included in consolidated statement of operations
Net sales		2,286,000
Net income		229,000
Less income attributable to noncontrolling interests		20,000
Net income attributable to GMCR		209,000
Intercompany sales eliminated and not reflected in consolidated statement of operations		$ 600,000