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Commitments and Contingencies (Tables)
6 Months Ended
Feb. 28, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability The following table summarizes changes in the estimated liabilities for product warranty and recall costs for the periods presented (in millions):
Six Months Ended
February 28, 2021February 29, 2020
Beginning balance$16.1 $11.5 
Warranty and recall costs10.1 12.5 
Payments and other deductions(11.0)(12.5)
Acquired warranty and recall liabilities— 0.1 
Ending balance$15.2 $11.6