Business Segment Information - Net Sales to External Customers and Long-lived Assets, by Geographic Region (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales to external customers	$ 277.3	$ 279.2
Total long-lived assets	217.8		$ 221.8
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales to external customers	128.2	129.9
Total long-lived assets	78.7		78.3
Rest of World [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales to external customers	149.1	$ 149.3
Total long-lived assets	$ 139.1		$ 143.5