Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosures (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013 Other Current Assets [Member]	Sep. 30, 2012 Other Current Assets [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net					$ 2,600,000	$ 200,000
Net losses on foreign currency exposures	749,000	572,000	1,737,000	5,142,000
Net realized and unrealized (gain) loss on forward contracts (excluding the underlying foreign currency exposure being hedged)	$ (1,443,000)	$ (1,570,000)	$ (5,039,000)	$ 816,000