Earnings Per Share - Reconciliation of Amounts Utilized in Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 03, 2021	Jul. 04, 2020	Jul. 03, 2021	Jul. 04, 2020
Earnings Per Share [Abstract]
Net income	$ 27,609	$ 35,842	$ 105,571	$ 79,774
Basic weighted average common shares outstanding (in shares)	28,529	29,199	28,708	29,210
Dilutive effect of share-based awards and options outstanding (in shares)	539	594	590	726
Diluted weighted average shares outstanding (in shares)	29,068	29,793	29,298	29,936
Earnings per share:
Basic (in dollars per share)	$ 0.97	$ 1.23	$ 3.68	$ 2.73
Diluted (in dollars per share)	$ 0.95	$ 1.20	$ 3.60	$ 2.66