Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Activity and Classification of Derivative Deferral in AOCI) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Net actuarial gain (loss) during period	$ (82,237)	$ 141,806
Tax effect - Retirement liability	29,013	(53,532)
Net deferral in AOCI of retirement liability	(53,224)	88,274
Net gain (loss) - Derivatives	(2,216)	(1,937)
Tax effect- Derivatives	839	827
Net deferral in AOCI of derivatives	(1,377)	(1,110)
Sales [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net deferral in AOCI of derivatives (effective portion)	3	182
Cost of Sales [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net deferral in AOCI of derivatives (effective portion)	(1,797)	(1,833)
Interest Expense [Member] | Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net deferral in AOCI of derivatives (effective portion)	$ (422)	$ (286)