Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Supplemental Balance Sheet Information - Schedule of supplemental balance sheet information (Details) - USD ($)
$ in Millions
Jun. 30, 2018
Sep. 30, 2017
Balance Sheet Related Disclosures [Abstract]    
Trade accounts receivable reserve $ 19.6 $ 21.6
Accumulated depreciation on property, plant, and equipment 318.9 311.8
Inventories:    
Raw materials and components 67.7 52.6
Work in process 51.2 55.4
Finished goods 62.8 43.6
Total inventories $ 181.7 $ 151.6