Short-Term Borrowings and Long-Term Debt (Schedule of Debt) (Details) - USD ($)	Mar. 31, 2020	Jun. 30, 2019	Apr. 30, 2019
Debt Instrument [Line Items]
Short-term borrowings	$ 143,000	$ 4,590,000
Current portion of long-term debt	6,901,000	4,085,000
Long-term debt	145,050,000	151,014,000
Borrowings under revolving credit facility	168,502,000	200,817,000
Total debt	320,596,000	360,506,000
Term Loan Facility [Member]
Debt Instrument [Line Items]
Long-term debt	140,625,000	146,250,000	$ 150,000,000
Multi-Currency Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Borrowings under revolving credit facility	168,502,000	200,817,000
Mississippi Revenue Bond [Member]
Debt Instrument [Line Items]
Long-term debt	$ 4,425,000	$ 4,764,000

- Definition

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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