Stockholders' Equity And Stock-Based Compensation (Stock Repurchase) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 29, 2024	Dec. 29, 2023	Mar. 29, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares repurchased (in shares)			1,262,189
Payments for Repurchase of Common Stock	$ 24,997	$ 80,002	$ 104,999	$ 99,276
Repurchase of common stock			$ 104,999
Stock Repurchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares repurchased (in shares)	294,400	967,789
Average Price Paid per Share (in dollars per share)	$ 84.91	$ 82.66	$ 84.91