Quarterly report pursuant to Section 13 or 15(d)

Supplemental Balance Sheet Information - Schedule of supplemental balance sheet information (Details)

v3.21.1
Supplemental Balance Sheet Information - Schedule of supplemental balance sheet information (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Sep. 30, 2020
Mar. 31, 2020
Balance Sheet Related Disclosures [Abstract]      
Restricted Cash and Cash Equivalents $ 2.4   $ 0.4
Allowance for doubtful accounts 23.9 $ 24.0  
Warranty reserves 25.2 23.8  
Accumulated depreciation on property, plant, and equipment 363.0 342.1  
Inventories, net:      
Raw materials and components 134.5 133.3  
Work in process 91.2 88.7  
Finished goods 159.3 163.4  
Total inventories, net $ 385.0 $ 385.4