Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Supplemental Balance Sheet Information - Schedule of supplemental balance sheet information (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Sep. 30, 2017
Balance Sheet Related Disclosures [Abstract]    
Trade accounts receivable reserves $ 20.9 $ 21.6
Accumulated depreciation on property, plant, and equipment 312.2 311.8
Inventories:    
Raw materials and components 66.9 52.6
Work in process 43.3 55.4
Finished goods 56.9 43.6
Total inventories $ 167.1 $ 151.6