Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Jun. 28, 2014		Jun. 29, 2013		Jun. 28, 2014		Jun. 29, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 12,999		$ 16,685		$ 40,009		$ 45,840
Other comprehensive income (loss):
Translation adjustment	(800)	[1],[2]	7,558	[1],[2]	3,215	[1],[2]	450	[1],[2]
Foreign exchange contracts	(157)	[1],[3]	0	[1],[3]	(157)	[1],[3]	0	[1],[3]
Changes in unrealized gains (losses) on available-for-sale securities, net of taxes (4)	25	[1],[4]	(14)	[1],[4]	8	[1],[4]	(21)	[1],[4]
Other comprehensive income (loss), net of tax	(932)	[1]	7,544	[1]	3,066	[1]	429	[1]
Comprehensive income	12,067	[1]	24,229	[1]	43,075	[1]	46,269	[1]
Tax expense (benefit) from translation adjustments	118		(226)		1,457		(1,365)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	$ (91)				$ (91)

[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 $118 and $1,457 was provided on translation adjustments during the three and nine months ended June 28, 2014, respectively. Tax expense (benefit) of $(226) and $(1,365) was provided on translation adjustments during the three and nine months ended June 29, 2013, respectively.

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

[4] Tax expense (benefit) on changes in unrealized gains (losses) on available-for-sale securities was insignificant.