Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.4
Supplemental Balance Sheet Information - Schedule of supplemental balance sheet information (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Sep. 30, 2020
Balance Sheet Related Disclosures [Abstract]    
Short-term restricted cash included in other current assets $ 1.6  
Allowance for doubtful accounts 28.9 $ 24.0
Warranty reserves 25.6 23.8
Accumulated depreciation on property, plant, and equipment 357.5 342.1
Inventories, net:    
Raw materials and components 139.6 133.3
Work in process 94.7 88.7
Finished goods 154.2 163.4
Total inventories, net $ 388.5 $ 385.4