Accrued Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Accrued Liabilities [Abstract]
Interest	$ 26.9	$ 20.1
Customer deposits	22.3	29.2
Commissions	7.7	8.3
Warranty	9.3	10.6	$ 10.5	$ 10.2
Accrued dividend	48.5	42.9
Rebates	29.1	30.0
Billings in excess of revenues	13.9	23.3
Other	100.3	102.2
Total	$ 258.0	$ 266.6