Other Current Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other Current Liabilities [Abstract]
Deferred income	$ 13.2	$ 14.4
Other accrued expenses	20.3	23.1
Dividends payable	9.5	8.6	$ 7.8
Restructuring Reserve	5.9	0.0
Other	9.4	7.7
Other current liabilities	$ 58.3	$ 53.8