XML 67 R44.htm IDEA: XBRL DOCUMENT v3.5.0.2
Summary of Significant Accounting Policies (Schedule of Product Warranty Liability) (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Movement in Standard Product Warranty Accrual [Roll Forward]      
Balance at beginning of year $ 2.9 $ 2.6 $ 2.8
Warranty expense 5.3 5.2 4.1
Warranty payments (6.2) (4.9) (4.3)
Balance at end of year $ 2.0 $ 2.9 $ 2.6