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Supplemental Balance Sheet Information (Tables)
9 Months Ended
Jun. 30, 2022
Balance Sheet Related Disclosures [Abstract]  
Schedule of supplemental balance sheet information
June 30,
2022
September 30,
2021
Allowance for doubtful accounts $24.3 $26.0 
Warranty reserves$22.2 $24.2 
Accumulated depreciation on property, plant, and equipment$402.4 $381.6 
Inventories, net:  
Raw materials and components$199.2 $153.1 
Work in process121.6 104.0 
Finished goods185.3 154.5 
Total inventories, net$506.1 $411.6