Revenue Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Revenue from Contract with Customer [Abstract]
Amount of revenue recognized from performace obligations partially satisfied in previous periods	$ 18.7
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Accounts receivable, net	296.3	$ 301.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligations that were unsatisfied or partially satisfied	$ 19.7
Performance obligations that were unsatisfied or partially satisfied, expected timing of satisfaction	1 month