Investments in and Acquisitions of Businesses - Schedule of unaudited pro forma combined financial information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 25, 2023	Mar. 26, 2022	Mar. 25, 2023	Mar. 26, 2022
Business Acquisition [Line Items]
Total Revenues	$ 526,501	$ 588,095	$ 923,971	$ 963,502
Net income	104,477	175,102	149,871	196,400
Pro Forma [Member]
Business Acquisition [Line Items]
Revenues	526,501	592,297	927,901	971,197
Net income	$ 104,452	$ 169,602	$ 139,349	$ 182,021

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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