Fair Value Measurements (Details) (USD $)	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013
Fair Value Measurements
Total fair value of derivatives	$ 6,125,000	$ (11,194,000)
Carrying value of long-term debt	160,014,000	173,150,000
Period of reset of debt variable interest rates	30 days
Long-term investments carried at cost	35,900,000
Fair Value, Inputs, Level 2 [Member]
Fair Value Measurements
Total fair value of derivatives	6,125,000	(11,194,000)
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Fair Value Measurements
Total fair value of derivatives	(3,371,000)	(6,004,000)
Fair Value, Inputs, Level 2 [Member] | Cross Currency Swap [Member]
Fair Value Measurements
Total fair value of derivatives	5,951,000	(1,253,000)
Fair Value, Inputs, Level 2 [Member] | Coffee Futures [Member]
Fair Value Measurements
Total fair value of derivatives	3,437,000	(3,809,000)
Fair Value, Inputs, Level 2 [Member] | Foreign Exchange Forward [Member]
Fair Value Measurements
Total fair value of derivatives	$ 108,000	$ (128,000)