Stock Repurchase and Dividends - Schedule of shares repurchased (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 27, 2020	Sep. 29, 2019
Equity, Class of Treasury Stock [Line Items]
Shares Repurchased (in shares)		1,562,521
Average Price Paid per Share (in dollars per share)		$ 64.00
Total Cost		$ 100,000
2018 Program
Equity, Class of Treasury Stock [Line Items]
Shares Repurchased (in shares)		430,559
Average Price Paid per Share (in dollars per share)		$ 58.06
Total Cost		$ 25,000
2019 Program
Equity, Class of Treasury Stock [Line Items]
Shares Repurchased (in shares)	1,508,747	1,131,962
Average Price Paid per Share (in dollars per share)	$ 77.67	$ 66.26
Total Cost	$ 117,188	$ 75,000