Derivative Instruments and Hedging Activities Derivative instruments (Gain/Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Jun. 28, 2014		Jun. 29, 2013		Jun. 28, 2014		Jun. 29, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Foreign exchange contracts	$ (157)	[1],[2]	$ 0	[1],[2]	$ (157)	[1],[2]	$ 0	[1],[2]
Designated as Hedging Instrument [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign exchange contracts	(248)		0		(248)		0
Designated as Hedging Instrument [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign exchange contracts	0		0		0		0
Designated as Hedging Instrument [Member] | Other income (expense)
Derivative Instruments, Gain (Loss) [Line Items]
Foreign exchange contracts	17		0		17		0
Derivatives not designated as hedging instruments | Other income (expense)
Derivative Instruments, Gain (Loss) [Line Items]
Foreign exchange contracts	$ (1,367)		$ 338		$ (1,208)		$ 1,476

[1] Reclassification adjustments were not significant during the three and nine months ended June 28, 2014 and June 29, 2013.

[2] Tax expense (benefit) of $(91) was provided on net gain (loss) on derivative instruments during the three and nine months ended June 28, 2014.