Operating Segment Information - Geographic Area Data (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Geographic Area Data
Net sales	$ 429.5	$ 390.5	$ 827.5	$ 753.3
United States
Geographic Area Data
Net sales	108.8	112.4	212.6	220.6
Canada and Puerto Rico
Geographic Area Data
Net sales	12.0	11.6	23.9	22.3
Total North America
Geographic Area Data
Net sales	120.8	124.0	236.5	242.9
Europe Middle East Africa
Geographic Area Data
Net sales	163.9	158.4	312.6	300.8
Asia Pacific
Geographic Area Data
Net sales	115.5	83.1	215.4	155.2
Latin America
Geographic Area Data
Net sales	$ 29.3	$ 25.0	$ 63.0	$ 54.4