CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance, beginning of period (in shares) at Oct. 03, 2020		113,915,233		(1,571,138)
Balance, beginning of period at Oct. 03, 2020	$ 297,839	$ 114	$ 548,993	$ (20,886)	$ (228,492)	$ (1,890)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock pursuant to equity incentive plans (in shares)		7,075,338
Issuance of common stock pursuant to equity incentive plans	69,505	$ 7	69,498
Repurchase of common stock related to shares withheld for tax in connection with vesting of restricted stock unit awards ("RSUs") (in shares)				(307,980)
Repurchase of common stock related to shares withheld for tax in connection with vesting of restricted stock unit awards ("RSUs")	(5,118)			$ (5,118)
Stock-based compensation expense	14,844		14,844
Net income	132,292				132,292
Change in foreign currency translation adjustment	847					847
Balance, end of period (in shares) at Jan. 02, 2021		120,990,571		1,879,118
Balance, ending of period at Jan. 02, 2021	510,209	$ 121	633,335	$ (26,004)	(96,200)	(1,043)
Balance, beginning of period (in shares) at Oct. 03, 2020		113,915,233		(1,571,138)
Balance, beginning of period at Oct. 03, 2020	297,839	$ 114	548,993	$ (20,886)	(228,492)	(1,890)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	149,513
Change in foreign currency translation adjustment	1,046
Balance, end of period (in shares) at Apr. 03, 2021		125,716,622		(1,268,563)
Balance, ending of period at Apr. 03, 2021	579,268	$ 126	684,988	$ (26,023)	(78,979)	(844)
Balance, beginning of period (in shares) at Jan. 02, 2021		120,990,571		1,879,118
Balance, beginning of period at Jan. 02, 2021	510,209	$ 121	633,335	$ (26,004)	(96,200)	(1,043)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock pursuant to equity incentive plans (in shares)		5,743,359
Issuance of common stock pursuant to equity incentive plans	49,661	$ 6	49,655
Retirement of treasury stock (in shares)		1,017,308		1,017,308
Retirement of treasury stock		$ (1)	(14,365)	$ 14,366
Purchase of common stock (in shares)				(19,547)
Repurchase of common stock	(682)			$ (682)
Repurchase of common stock related to shares withheld for tax in connection with vesting of restricted stock unit awards ("RSUs") (in shares)				(387,206)
Repurchase of common stock related to shares withheld for tax in connection with vesting of restricted stock unit awards ("RSUs")	(13,703)			$ (13,703)
Stock-based compensation expense	16,363		16,363
Net income	17,221				17,221
Change in foreign currency translation adjustment	199				0	199
Balance, end of period (in shares) at Apr. 03, 2021		125,716,622		(1,268,563)
Balance, ending of period at Apr. 03, 2021	579,268	$ 126	684,988	$ (26,023)	(78,979)	(844)
Balance, beginning of period (in shares) at Oct. 02, 2021		128,857,085,000		(1,871,812)
Balance, beginning of period at Oct. 02, 2021	569,042	$ 129	690,462	$ (50,276)	(69,897)	(1,376)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock pursuant to equity incentive plans (in shares)		2,030,373
Issuance of common stock pursuant to equity incentive plans	13,232	$ 2	13,230
Retirement of treasury stock (in shares)		(1,010,286)		1,010,286
Retirement of treasury stock		$ (1)	(38,647)	$ (38,648)
Purchase of common stock (in shares)				(1,032,249)
Repurchase of common stock	(31,365)			$ (31,365)
Repurchase of common stock related to shares withheld for tax in connection with vesting of restricted stock unit awards ("RSUs") (in shares)				(344,198)
Repurchase of common stock related to shares withheld for tax in connection with vesting of restricted stock unit awards ("RSUs")	(11,882)			$ (11,882)
Stock-based compensation expense	17,459		17,459
Net income	123,481				23,481
Change in foreign currency translation adjustment	(360)					(360)
Balance, end of period (in shares) at Jan. 01, 2022		129,877,172		(2,237,973)
Balance, ending of period at Jan. 01, 2022	679,607	$ 130	682,504	$ (54,875)	53,584	(1,736)
Balance, beginning of period (in shares) at Oct. 02, 2021		128,857,085,000		(1,871,812)
Balance, beginning of period at Oct. 02, 2021	$ 569,042	$ 129	690,462	$ (50,276)	(69,897)	(1,376)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock pursuant to equity incentive plans (in shares)	2,526,447
Retirement of treasury stock (in shares)	(3,428,470)
Purchase of common stock (in shares)	(2,644,170)
Net income	$ 132,047
Change in foreign currency translation adjustment	(260)
Balance, end of period (in shares) at Apr. 02, 2022		129,959,957		(1,808,635)
Balance, ending of period at Apr. 02, 2022	671,684	$ 130	647,871	$ (36,831)	62,150	(1,636)
Balance, beginning of period (in shares) at Jan. 01, 2022		129,877,172		(2,237,973)
Balance, beginning of period at Jan. 01, 2022	679,607	$ 130	682,504	$ (54,875)	53,584	(1,736)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock pursuant to equity incentive plans (in shares)		2,500,969
Issuance of common stock pursuant to equity incentive plans	16,021	$ 2	16,019
Retirement of treasury stock (in shares)		(2,418,184)		(2,418,184)
Retirement of treasury stock		$ (2)	(71,877)	$ 71,879
Purchase of common stock (in shares)				1,611,921
Repurchase of common stock	(43,115)			$ (43,115)
Repurchase of common stock related to shares withheld for tax in connection with vesting of restricted stock unit awards ("RSUs") (in shares)				(376,925)
Repurchase of common stock related to shares withheld for tax in connection with vesting of restricted stock unit awards ("RSUs")	(10,720)			$ (10,720)
Stock-based compensation expense	21,225		21,225
Net income	8,566				8,566
Change in foreign currency translation adjustment	100					100
Balance, end of period (in shares) at Apr. 02, 2022		129,959,957		(1,808,635)
Balance, ending of period at Apr. 02, 2022	$ 671,684	$ 130	$ 647,871	$ (36,831)	$ 62,150	$ (1,636)