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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Jan. 01, 2021
Dec. 27, 2019
Income Tax Disclosure [Abstract]    
Effective income tax rate 24.60% 27.00%
Tax credits from Section 179D energy credit $ 1.4  
Tax benefit attributable to stock compensation 2.2  
Indefinite reinvestment of unremitted foreign earnings $ 5.0