Cost Reduction Plans - Summary of the CIP Reserve Activity (Details) $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 8.9
Accrual	0.3
Payments	(0.7)
Ending balance	8.5
Severance
Restructuring Cost and Reserve [Line Items]
Beginning balance	6.8
Accrual	0.0
Payments	(0.7)
Ending balance	6.1
Retention
Restructuring Cost and Reserve [Line Items]
Beginning balance	2.1
Accrual	0.3
Payments	0.0
Ending balance	$ 2.4