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Fair Values Of Financial Instruments (Tables)
3 Months Ended
Dec. 25, 2021
Fair Values Of Financial Instruments [Abstract]  
Carrying Amount And Fair Value Of Debt, Interest Rate Swap And Non-Qualified Plan Assets Carrying   Fair Value Amount Fair Value MeasurementsSenior Notes $ 350,000 $ 349,125 Level 2Facility Bonds 63,500 63,500 Level 2Secured notes payable and other 172,629 172,585 Level 2Interest rate swap derivative contracts 2,664 2,664 Level 2Non-qualified retirement plan assets 22,060 22,060 Level 2