Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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The amount of extraordinary and certain other defined items such as non-cash restructuring and acquisition-related charges that is excluded from Adjusted EBIT per the Credit Agreement in calculating the Company's Interest Coverage Ratio.

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The Company's interest coverage ratio as of the reporting date, indicating whether the Company has met the interest coverage ratio requirement under the Credit Agreement.

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The interest coverage ratio, which is ratio of "Adjusted EBIT per the Credit Agreement" to interest expense for the trailing twelve months, required by the credit agreement for the Company's unsecured Revolving Credit Facility entered into on January 5, 2012. Adjusted EBIT per the Credit Agreement specifically excludes extraordinary and certain other defined items such as non-cash restructuring and acquisition-related charges up to $2.0 million, and goodwill impairment.

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The Company's leverage ratio as of the reporting date, indicating whether the Company has met the leverage ratio requirement under the Credit Agreement.

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The required ratio of funded debt to trailing twelve month Adjusted EBITDA (as defined in the Credit Agreement, calculated as Adjusted EBITDA per the Credit Agreement plus Depreciation and Amortization), under the Company's unsecured Revolving Credit Facility entered into on January 5, 2012.

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Line of credit accordion feature.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Average fixed interest rate related to the group of interest rate derivatives.

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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Name Accounting Standards Codification
-Topic 942
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-Section S99
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The effective interest rate at the end of the reporting period.

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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 of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Note 7 - Debt (Details Textual) $ in Millions	12 Months Ended
Note 7 - Debt (Details Textual) $ in Millions	Jun. 30, 2018 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2017 USD ($)
Line of Credit Facility, Remaining Borrowing Capacity	$ 198.1
Extraordinary and Certain Other Defined Items Excluded from Adjusted EBIT	$ 7.5
Interest Coverage Ratio, Actual	11.4
Leverage Ratio, Actual	1.67
Long-term Line of Credit, Total	$ 194.0
Line of Credit Facility, Interest Rate at Period End	3.29%
Interest Rate Swap [Member]
Derivative, Notional Amount	$ 75.0
Derivative, Average Fixed Interest Rate	1.74%
Minimum [Member]
Interest Coverage Ratio, Requirement	3
Maximum [Member]
Leverage Ratio, Requirement	3.5
Amended and Restated Credit Agreement [Member]
Debt Instrument, Term		5 years
Line of Credit Facility, Maximum Borrowing Capacity		$ 400.0
Line Of Credit, Accordion Feature		100.0
Swing Line Loan [Member]
Line of Credit Facility, Maximum Borrowing Capacity		10.0
Letter of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity		30.0
Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 225.0
Standby Letters of Credit [Member]
Long-term Line of Credit, Total	$ 7.9		$ 8.9