Revenue - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Remaining performance obligations amount	$ 881.1
Percentage of changes in operating results on entity's revenue	24.00%
Capitalized costs to obtain a contract	$ 8.7	$ 6.2
Impairment loss	0.1	0.0
Capitalized contract cost, amortization	0.5	$ 0.9
Long-term warranty and service
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Remaining performance obligations amount	82.3
Performance Obligations Other Than Warrant
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Remaining performance obligations amount	$ 798.8