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Long Term Debt - Additional Information (Detail) - USD ($)			12 Months Ended
	May 01, 2020	Jul. 31, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Dec. 23, 2016
Debt Instrument [Line Items]
Aggregate principal amount of loan			$ 226,700,000	$ 235,000,000.0
Long term debt, net			224,400,000	233,500,000
Principal repayment			$ 8,600,000	115,000,000.0	$ 143,000,000.0
Second Amendment to Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate on variable basis	0.50%		2.00%
Debt instrument, interest rate during the period			4.50%
Second Amendment to Credit Facility [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate on variable basis			0.25%
Second Amendment to Credit Facility [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate on variable basis			0.45%
Second Amendment to Credit Facility [Member] | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, interest rate on variable basis	3.50%
Debt instrument, interest rate during the period	1.00%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Principal repayment			$ 8,600,000	$ 115,000,000.0	$ 143,000,000.0
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		224,400,000
Scheduled principal payments prior to maturity date		0
Revolving Credit Facility [Member] | Second Amendment to Credit Facility [Member]
Debt Instrument [Line Items]
Upfront fees		1,000,000.0
Debt issuance costs		$ 1,000,000.0
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
Revolving Credit Facility [Member] | Counsyl Inc [Member] | Second Amendment to Credit Facility [Member]
Debt Instrument [Line Items]
Amendment period	Amendment Period from March 31, 2020 through June 30, 2021
Amendment period, Start Date	Mar. 31, 2020
Amendment period, End Date	Jun. 30, 2021

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Amount of the total principal payments made during the annual reporting period.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of the fee that accompanies borrowing money under the debt instrument.

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Amount, before accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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