Facility Consolidation Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Sep. 30, 2015	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Employee termination costs	$ 8.0	$ 1.1	$ 4.6
Accrued termination costs		2.3		$ 3.5	$ 0.0
Termination costs included in accrued employee compensation benefits				3.3
Termination costs included in other accrued expenses				$ 0.2
Employee Severance
Restructuring Cost and Reserve [Line Items]
Employee termination costs		5.7
Facility Closing
Restructuring Cost and Reserve [Line Items]
Exit costs		$ 8.0