Accumulated Other Comprehensive Income (Loss) - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Selling, general and administrative expense	$ 58.0	$ 46.6	$ 111.9	$ 94.0
Provision for income taxes	8.9	6.8	11.4	10.7
Interest expense, net	2.5	$ 2.2	4.9	$ 4.3
Reclassification out of Accumulated Other Comprehensive Income | Pension and Other Postretirement Benefits
Accumulated Other Comprehensive Income (Loss) [Line Items]
Selling, general and administrative expense	0.9		1.8
Provision for income taxes	0.3		0.6
Reclassification out of Accumulated Other Comprehensive Income | Derivatives Designated as Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Provision for income taxes	0.1		0.2
Interest expense, net	$ 0.3		$ 0.6