Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total		Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Retained Earnings
Beginning Balance (shares) at Sep. 28, 2013			24,464,000
Beginning Balance at Sep. 28, 2013	$ 758,518		$ 244	$ 162,253	$ 54,450	$ 541,571
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued under stock plans, net of shares withheld for employee taxes (shares)			486,000
Common stock issued under stock plans, net of shares withheld for employee taxes	2,874		$ 4	2,870
Tax impact from employee stock options	(52)			(52)
Stock-based compensation	18,971			18,971
Net income	59,106					59,106
Other comprehensive income, net of tax	(19,768)	[1]			(19,768)
Ending Balance (shares) at Sep. 27, 2014			24,950,000
Ending Balance at Sep. 27, 2014	819,649		$ 248	184,042	34,682	600,677
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued under stock plans, net of shares withheld for employee taxes (shares)			322,000
Common stock issued under stock plans, net of shares withheld for employee taxes	2,006		$ 4	2,002
Tax impact from employee stock options	(667)			(667)
Stock-based compensation	18,243			18,243
Repurchases of common stock (shares)			(1,302,000)
Repurchases of common stock	(75,027)		$ (14)	(75,013)
Net income	76,409					76,409
Other comprehensive income, net of tax	$ (44,195)	[1]			(44,195)
Ending Balance (shares) at Oct. 03, 2015	23,970,000		23,970,000
Ending Balance at Oct. 03, 2015	$ 796,418		$ 238	128,607	(9,513)	677,086
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued under stock plans, net of shares withheld for employee taxes (shares)			354,000
Common stock issued under stock plans, net of shares withheld for employee taxes	2,406		$ 4	2,402
Stock-based compensation	20,289			20,289
Net income	87,502					87,502
Other comprehensive income, net of tax	$ 4,213	[1]			4,213
Ending Balance (shares) at Oct. 01, 2016	24,324,000		24,324,000
Ending Balance at Oct. 01, 2016	$ 910,828		$ 242	$ 151,298	$ (5,300)	$ 764,588

[1] Reclassification adjustments were not significant during fiscal years 2016, 2015 and 2014.