Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Number of Common Shares	Common Stock And Additional Paid in Capital	Treasury Stock	Accumulated Other Comprehensive Income	Accumulated Deficit
Balance at Sep. 29, 2018	$ 1,472,844		$ 6,222,988	$ (791,366)	$ 73,944	$ (4,032,722)
Common Stock, Shares, Issued at Sep. 29, 2018		103,128
Treasury Stock, Shares at Sep. 29, 2018				(35,351)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under stock plans		2,423
Issuances Under Stock Plans, Value	13,539		13,539
Stock-based compensation	30,844		30,844
Repurchases of treasury stock	12,614
Treasury Stock, Shares at Sep. 28, 2019				(35,831)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchases of treasury stock			138
Repurchases of Treasury Stock, Shares				(480)
Repurchases of Treasury Stock, Value				$ (12,752)
Other comprehensive income (loss)	(31,685)				(31,685)
Common Stock, Shares, Issued at Sep. 28, 2019		105,551
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of new accounting pronouncement						28,130
Net income	141,515					141,515
Balance at Sep. 28, 2019	1,642,573		6,267,509	$ (804,118)	42,259	(3,863,077)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under stock plans		2,078
Issuances Under Stock Plans, Value	7,793		7,793
Stock-based compensation	$ 26,235		26,235
Treasury Stock, Shares at Oct. 03, 2020	(42,630)			(42,630)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchases of Treasury Stock, Shares				(6,799)
Repurchases of Treasury Stock, Value	$ (179,025)			$ (179,025)
Other comprehensive income (loss)	$ (7,373)				(7,373)
Common Stock, Shares, Issued at Oct. 03, 2020	107,629	107,629
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 139,713					139,713
Balance at Oct. 03, 2020	1,629,916		6,301,537	$ (983,143)	34,886	(3,723,364)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under stock plans		1,105
Issuances Under Stock Plans, Value	2,993		2,993
Stock-based compensation	$ 34,976		34,976
Treasury Stock, Shares at Oct. 02, 2021	(44,427)			(44,427)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchases of Treasury Stock, Shares				(1,797)
Repurchases of Treasury Stock, Value	$ (64,059)			$ (64,059)
Other comprehensive income (loss)	$ 5,804				5,804
Common Stock, Shares, Issued at Oct. 02, 2021	108,734	108,734
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 268,998					268,998
Balance at Oct. 02, 2021	$ 1,878,628		$ 6,339,506	$ (1,047,202)	$ 40,690	$ (3,454,366)