Long-Term Debt - Components of Long-Term Debt (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Apr. 30, 2021	Oct. 31, 2020	Oct. 16, 2020	Dec. 14, 2017
Components of long-term debt
Total	$ 1,188,203	$ 1,186,562
Less current portion	(247)	(317)
Long-term portion	1,187,956	1,186,245
Senior Notes
Components of long-term debt
Unamortized debt issuance costs	(12,231)	(14,116)
Total	1,187,769	1,185,884
Senior Notes | Senior notes, interest at 5.125%, payable semi-annually, principal due February 2028
Components of long-term debt
Gross carrying value	$ 300,000	300,000
Debt instrument, interest rate	5.125%					5.125%
Senior Notes | Senior notes, interest at 4.125%, payable semi-annually, principal due October 2030
Components of long-term debt
Gross carrying value	$ 500,000	500,000
Total	$ 494,400	493,600
Debt instrument, interest rate	4.125%			4.125%	4.125%
Senior Notes | Senior notes, interest at 4.125%, payable semi-annually, principal due April 2031
Components of long-term debt
Gross carrying value	$ 400,000	400,000
Total	$ 395,400	394,800
Debt instrument, interest rate	4.125%		4.125%
Secured Debt | Asset-based Revolving Credit Facility One
Components of long-term debt
Total	$ 0	0
Secured Debt | Asset-based Revolving Credit Facility One | Minimum | Base Rate
Components of long-term debt
Applicable interest margin rate on the credit facility	0.00%
Secured Debt | Asset-based Revolving Credit Facility One | Minimum | Secured Overnight Financing Rate
Components of long-term debt
Applicable interest margin rate on the credit facility	1.00%
Secured Debt | Asset-based Revolving Credit Facility One | Maximum | Base Rate
Components of long-term debt
Applicable interest margin rate on the credit facility	0.50%
Secured Debt | Asset-based Revolving Credit Facility One | Maximum | Secured Overnight Financing Rate
Components of long-term debt
Applicable interest margin rate on the credit facility	1.50%
Other Notes Payable
Components of long-term debt
Total	$ 434	$ 678