Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Statement of Comprehensive Income [Abstract]
Net income		$ 76,409	$ 59,106	$ 66,355
Translation adjustment, net of taxes	[1],[2]	(45,624)	(19,185)	13,998
Net gain (loss) on derivative instruments, net of taxes	[1],[3]	601	(573)	0
Changes in unrealized gains (losses) on available-for-sale securities, net of taxes	[1],[4]	828	(10)	(3)
Other comprehensive income (loss), net of tax	[1]	(44,195)	(19,768)	13,995
Comprehensive income		$ 32,214	$ 39,338	$ 80,350

[1] Reclassification adjustments were not significant during fiscal years 2015, 2014 and 2013.

[2] Tax expense (benefit) of $(1,768), $250 and $(746) was provided on translation adjustments during fiscal 2015, 2014 and 2013, respectively.

[3] Tax expense (benefit) of $349 and $(332) was provided on net gain (loss) on derivative instruments during fiscal 2015 and 2014, respectively.

[4] Tax expense of $486 was provided on changes in unrealized gains (losses) on available-for-sale securities during fiscal 2015. Tax expense (benefit) on changes in unrealized gains (losses) on available-for-sale securities during fiscal 2014 and 2013 was insignificant.