XML 40 R49.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Revenue Recognition - Schedule of Classification of Service-type Warranties in Consolidated Balance Sheets (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Extended Product Warranty Accrual Balance Sheet Classification [Abstract]        
Service-type warranties, other current liabilities $ 27.3 $ 27.8    
Service-type warranties, other long-term liabilities 39.9 40.4    
Service-type warranties $ 67.2 $ 68.2 $ 66.1 $ 30.7