Stock-Based Compensation - Stock Compensation Expense (Details) - USD ($)	3 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated stock-based compensation expense	$ 29,613,000	$ 10,613,000
Capitalized share-based compensation costs	2,000,000	1,900,000
Amortization of capitalized share-based compensation expenses	1,700,000	2,300,000
Total compensation cost, unvested stock-based awards granted but not yet recognized	$ 55,800,000
Total compensation cost, weighted-average period of amortization (in years)	1 year 6 months
Accelerated Share Repurchase Program, Adjustment	$ 19,700,000
Period End
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Capitalized share-based compensation remaining	2,400,000	2,400,000
Cost of sales
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated stock-based compensation expense	1,731,000	2,272,000
Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated stock-based compensation expense	1,236,000	1,199,000
Selling, general and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated stock-based compensation expense	28,940,000	8,714,000
Income tax benefit
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Income tax benefit	$ (2,294,000)	$ (1,572,000)