Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Standard Product Warranty Accrual	$ 13.3	$ 13.3	$ 11.7	$ 9.8	$ 9.4
Expense for environmental remediation	15.0	23.3	4.4	2.9
Reserves for environmental matters	30.6	30.6	15.2
Reserve for environmental matters, current	6.1	6.1	3.7
Total rental expense		32.5	30.3	32.5
Minimum lease payments, due in current year	19.8	19.8
Minimum lease payments, due in second year	13.1	13.1
Minimum lease payments, due in third year	9.0	9.0
Minimum lease payments, due in fourth year	5.8	5.8
Minimum lease payments, due in fifth year	2.9	2.9
Standard Product Warranty Accrual, Payments		6.5	5.4	4.9
Accruals for warranties issued during the current period		8.1	7.1	6.1
Standard Product Warranty Accrual, Preexisting, Increase (Decrease)		0.2	0.5	(0.6)
Standard Product Warranty Accrual, Currency Translation, Increase (Decrease)		(0.2)	(0.3)	$ (0.2)
Segment, Discontinued Operations [Member]
Reserves for environmental matters	$ 9.6	$ 9.6	$ 2.8