Debt (Long-term debt) (Detail) - USD ($)	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
Total Debt:
Long-term Debt, Gross	$ 420,500,000	$ 407,000,000	$ 298,500,000
Line of credit			0
Deferred Debt Issuance Costs	(7,184,000)	(7,967,000)
Total Amount Outstanding	415,105,000	401,094,000	292,084,000
Less Current Portion:
Term B Loan	(3,000,000)	(3,000,000)	(3,000,000)
Noncurrent Portion	412,105,000	398,094,000	289,084,000
Revolver [Member]
Total Debt:
Long-term Debt, Gross	125,000,000	110,000,000
Term Loan [Member]
Total Debt:
Long-term Debt, Gross	295,500,000	297,000,000	298,500,000
Deferred Debt Issuance Costs	$ (5,395,000)	$ (5,906,000)	$ (6,416,000)

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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-Section 50
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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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