Derivative Instruments and Hedging Activities - Notional and Fair Value (Details) - Foreign exchange contracts - USD ($) $ in Thousands	Oct. 03, 2015	Sep. 27, 2014
Purchase | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 3,283	$ 1,899
Derivative, Fair Value, Net	(49)	(35)
Sell | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	5,835	3,515
Derivative, Fair Value, Net	146	63
Euro | Purchase | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	52,699	31,926
Derivative, Fair Value, Net	33	(1,153)
Euro | Purchase | Designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	0	11,149
Derivative, Fair Value, Net	0	(950)
Korea (South), Won | Purchase | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	253	0
Derivative, Fair Value, Net	0	0
Korea (South), Won | Sell | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	17,747	2,991
Derivative, Fair Value, Net	30	72
China, Yuan Renminbi | Sell | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	10,900	15,678
Derivative, Fair Value, Net	(106)	(56)
JPY | Purchase | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	558	471
Derivative, Fair Value, Net	8	(3)
JPY | Sell | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	15,804	15,084
Derivative, Fair Value, Net	(84)	169
JPY | Sell | Designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	2,903	12,091
Derivative, Fair Value, Net	$ 41	$ 63