XML 63 R52.htm IDEA: XBRL DOCUMENT v3.20.2
Revenue Recognition - Schedule of Changes in Warranty Liability and Unearned Extended Warranty Premiums (Details) - USD ($)
$ in Millions
9 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Disaggregation Of Revenue [Abstract]    
Balance at beginning of period $ 68.2 $ 30.7
Adoption of ASC 606   35.7
Deferred revenue for new service warranties 17.3 21.0
Amortization of deferred revenue (21.1) (18.8)
Foreign currency translation 0.3 (0.2)
Balance at end of period $ 64.7 $ 68.4