Fair Value Measurements (Details) (USD $)	9 Months Ended
	Jun. 29, 2013	Sep. 29, 2012
Fair Value Measurements
Total fair value of derivatives	$ (5,430,000)	$ (16,603,000)
Carrying value of long-term debt	238,100,000	473,700,000
Period of reset of debt variable interest rates	30 days
Recurring basis | Level 2
Fair Value Measurements
Total fair value of derivatives	(5,430,000)	(16,603,000)
Recurring basis | Level 2 | Interest rate swaps
Fair Value Measurements
Total fair value of derivatives	(6,329,000)	(9,019,000)
Recurring basis | Level 2 | Cross currency swap
Fair Value Measurements
Total fair value of derivatives	1,752,000	(7,242,000)
Recurring basis | Level 2 | Coffee futures
Fair Value Measurements
Total fair value of derivatives	$ (853,000)	$ (342,000)