Annual report pursuant to Section 13 and 15(d)

Acquisitions and Investments in Joint Ventures - Investments - Additional Information (Details)

v3.21.2
Acquisitions and Investments in Joint Ventures - Investments - Additional Information (Details)
$ in Millions
12 Months Ended
Sep. 25, 2021
USD ($)
venture
Sep. 26, 2020
USD ($)
venture
Sep. 28, 2019
USD ($)
venture
Schedule of Equity Method Investments [Line Items]      
Investments in business | $ $ 0.5 $ 4.4 $ 2.0
Owned percentage in unconsolidated entities 3.00%    
Number of ventures | venture 1 2 2
Minimum      
Schedule of Equity Method Investments [Line Items]      
Owned percentage in unconsolidated entities   3.00%  
Maximum      
Schedule of Equity Method Investments [Line Items]      
Owned percentage in unconsolidated entities   30.00% 7.00%