Segment Information (Geographic Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2021	Oct. 02, 2020	Sep. 27, 2019
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 5,109,100	$ 3,355,700	$ 3,376,800
Contract with Customer, Refund Liability	119,700	20,300
Sales Channel, Through Intermediary
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	4,539,700	2,599,800	2,330,900
Sales Channel, Directly to Consumer
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	569,400	755,900	1,045,900
Total Americas [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	3,228,100	2,012,800	1,860,400
China
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	994,200	700,700	718,700
Taiwan
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	404,200	240,400	271,100
South Korea
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	264,500	254,600	365,500
Asia
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	180,100	122,900	134,900
Europe, Middle East and Africa [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 38,000	$ 24,300	$ 26,200