Revenue - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Recognition of deferred revenue	$ 87.7	$ 78.6
Remaining performance obligations amount	$ 976.3
Percentage of changes in operating results on entity's revenue	21.00%
Capitalized contract cost, amortization period	5 years
Capitalized costs to obtain a contract	$ 7.9	8.4
Impairment loss	1.2	0.5
Capitalized contract cost, amortization	1.9	$ 2.2
Long-term Warranty and Service
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Remaining performance obligations amount	78.5
Performance Obligations Other Than Warrant
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Remaining performance obligations amount	$ 897.8