Revenue Recognition - Remaining Performance Obligation (Details) - USD ($) $ in Millions	Mar. 31, 2020	Mar. 31, 2019
Revenue from Contract with Customer [Abstract]
Aggregate transaction price allocated to performance obligations	$ 112.0	$ 84.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-10-01
Revenue from Contract with Customer [Abstract]
Aggregate transaction price allocated to performance obligations	$ 103.7
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected duration	12 months