Supplemental Accumulated Other Comprehensive Loss Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($)
Accumulated Comprehensive Income [Roll Forward]
Beginning balance	$ 622.8
Other comprehensive income before reclassifications	0.4
Net current period other comprehensive income	0.4
Ending balance	624.7
Defined and Postretirement Benefit Plans
Accumulated Comprehensive Income [Roll Forward]
Beginning balance	(4.6)
Other comprehensive income before reclassifications	0.0
Net current period other comprehensive income	0.0
Ending balance	(4.6)
Currency Translation Adjustments
Accumulated Comprehensive Income [Roll Forward]
Beginning balance	(15.2)
Other comprehensive income before reclassifications	0.4
Net current period other comprehensive income	0.4
Ending balance	(14.8)
Accumulated Other Comprehensive Income
Accumulated Comprehensive Income [Roll Forward]
Beginning balance	(19.8)
Ending balance	$ (19.4)