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Long Term Debt - Additional Information (Detail) - USD ($)		9 Months Ended
	Jul. 31, 2018	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019	Dec. 23, 2016
Debt Instrument [Line Items]
Aggregate principal amount of loan		$ 226,600,000		$ 235,000,000.0
Long term debt, net		225,200,000		$ 233,500,000
Principal repayment		8,600,000	$ 85,000,000.0
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Principal repayment		8,600,000
Revolving Credit Facility [Member] \| Amendment to Credit Agreement [Member]
Debt Instrument [Line Items]
Aggregate principal amount of loan	$ 300,000,000.0
Upfront fees	1,800,000
Debt issuance costs	300,000
Long term debt, net		$ 225,200,000
Scheduled principal payments prior to maturity date	$ 0
Revolving Credit Facility [Member] \| Counsyl Inc [Member] \| Amendment to Credit Agreement [Member]
Debt Instrument [Line Items]
Loan agreement, maturity date	Jul. 31, 2023
Loans maximum borrowing capacity	$ 350,000,000.0				$ 300,000,000.0