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

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 835
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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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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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- Definition

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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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Long Term Debt - Additional Information (Detail) - USD ($)		3 Months Ended	9 Months Ended
	Dec. 23, 2016	Mar. 31, 2018	Mar. 31, 2018	Mar. 31, 2017	Jun. 30, 2017
Debt Instrument [Line Items]
Long term debt, net		$ 69,300,000	$ 69,300,000		$ 99,100,000
Principal repayment			83,000,000	$ 37,000,000
Net proceeds from revolving credit facility			53,000,000	$ 204,000,000
Assurex [Member]
Debt Instrument [Line Items]
Net proceeds from revolving credit facility		53,000,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Loans maximum borrowing capacity	$ 300,000,000
Aggregate principal amount of loan	205,000,000
Upfront fees	700,000
Debt issuance costs	300,000
Long term debt, net	$ 204,000,000
Maturity Date	Dec. 23, 2021
Scheduled principal payments prior to maturity date	$ 0
Principal repayment		$ 27,000,000	$ 83,000,000
Swingline Loans and Letters of Credit [Member]
Debt Instrument [Line Items]
Sublimits of loan	$ 10,000,000