Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	Dec. 30, 2023	Sep. 30, 2023	Dec. 24, 2022	Apr. 30, 2021	Oct. 31, 2020	Dec. 31, 2017	Dec. 14, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of senior subordinated notes	$ 1,189,559	$ 1,188,203	$ 1,186,945
Senior notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of senior subordinated notes	$ 1,188,241	1,187,769	1,186,355
Senior notes | Senior notes, interest at 4.125%, payable semi-annually, principal due April 2031
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, aggregate principal amount				$ 400,000
Interest rate	4.125%			4.125%
Estimated fair value of senior notes	$ 354,700	327,100	329,600
Carrying value of senior subordinated notes	$ 395,600	395,400	395,000
Senior notes | Senior notes, interest at 4.125%, payable semi-annually, principal due October 2030
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, aggregate principal amount					$ 500,000
Interest rate	4.125%				4.125%
Estimated fair value of senior notes	$ 454,700	417,000	420,900
Carrying value of senior subordinated notes	$ 494,600	494,400	493,800
Senior notes | Senior notes, interest at 5.125%, payable semi-annually, principal due February 2028
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, aggregate principal amount						$ 300,000	$ 300,000
Interest rate	5.125%					5.125%	5.125%
Estimated fair value of senior notes	$ 293,500	279,500	281,700
Carrying value of senior subordinated notes	$ 298,100	$ 298,000	$ 297,600