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Note 6 - Borrowings (Details Textual) $ in Thousands |  |  |  |  | 1 Months Ended | 12 Months Ended | 24 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 18, 2015 USD ($) | Jan. 28, 2015 USD ($) | Oct. 21, 2014 USD ($) | Sep. 27, 2005 USD ($) | Mar. 31, 2015 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2014 USD ($) | Jun. 30, 2013 USD ($) | Jun. 30, 2013 USD ($)
Senior Notes [Member] | Cash Paid from Existing Cash Balances [Member] |  |  |  |  |  |  |  |  |
Repayments of Long-term Debt | $ 61,100 |  |  |  |  |  |  |  |
Senior Notes [Member] | Cash Paid from Senior Secured Revolving Credit and Term Loan Facility [Member] |  |  |  |  |  |  |  |  |
Repayments of Long-term Debt | 75,000 |  |  |  |  |  |  |  |
Senior Notes [Member] | Interest and Other Income (Expense) [Member] |  |  |  |  |  |  |  |  |
Gains (Losses) on Extinguishment of Debt | 3,700 |  |  |  |  |  |  |  |
Senior Notes [Member] |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  | $ 200,000 |  |  |  |  |
Debt Instrument, Term |  |  |  | 10 years |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 5.375% |  |  | 5.375% |  |
Proceeds from Issuance of Senior Long-term Debt |  |  |  | $ 198,400 |  |  |  |  |
Repayments of Senior Debt |  |  |  |  |  |  |  |  | $ 70,600
Repayments of Long-term Debt | 129,400 |  |  |  |  |  |  |  |
Accrued Interest Paid | 3,200 |  |  |  |  |  |  |  |
Payments of Debt Extinguishment Costs | $ 3,500 |  |  |  |  |  |  |  |
Average Availability Option [Member] | Revolving Credit Facility [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.75% |  |  |  |  |  |  |
Average Availability Option [Member] | Revolving Credit Facility [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.50% |  |  |  |  |  |  |
Average Availability Option B [Member] | Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.00% |  |  |  |  |  |  |
Average Availability Option B [Member] | Revolving Credit Facility [Member] | Federal Funds Effective Swap Rate [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.50% |  |  |  |  |  |  |
Average Availability Option B [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.00% |  |  |  |  |  |  |
Rent Adjusted Leverage Ratio Option [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.25% |  |  |  |  |  |  |
Rent Adjusted Leverage Ratio Option [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.75% |  |  |  |  |  |  |
Rent Adjusted Leverage Ratio Option [Member] | Federal Funds Effective Swap Rate [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.50% |  |  |  |  |  |  |
Minimum Fixed Charge Coverage Ratio for Year One [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Fixed Charge Coverage Ratio |  | 1 |  |  |  |  |  |  |
Minimum Fixed Charge Coverage Ratio Thereafter [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Fixed Charge Coverage Ratio |  | 1.1 |  |  |  |  |  |  |
Minimum Fixed Charge Coverage Ratio for Covenant to Cease to Apply [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Fixed Charge Coverage Ratio |  | 1.25 |  |  |  |  |  |  |
Minimum Availability Needed to Avoid Re-Triggering Fixed Charge Coverage Ratio Covenant [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Percentage of Total Revolving Credit |  | 15.00% |  |  |  |  |  |  |
Term Loan [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | $ 50,000 |  |  |  |  |  |
Term Loan [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 35,000 |  |  |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  |  |  |  | $ 35,000 |  |  |  |
Revolving Credit Facility [Member] | Maximum [Member] | Additional Margin on Variable Rate Option [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.75% |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  | 0.25% |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Minimum [Member] | Additional Margin on Variable Rate Option [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.50% |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  | 0.15% |  |  |  |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 115,000 |  |  |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  |  |  |  | 40,000 |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  |  |  |  | 1.6875% |  |  |
Debt Instrument, Covenant, Percentage of Total Revolving Credit |  | 20.00% |  |  |  |  |  |  |
Letter of Credit [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate During Period |  | 1.75% |  |  |  |  |  |  |
Letter of Credit [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate During Period |  | 1.50% |  |  |  |  |  |  |
Maximum [Member] | Additional Margin on Variable Rate Option [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.25% |  |  |  |  |  |  |
Minimum [Member] | Additional Margin on Variable Rate Option [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.75% |  |  |  |  |  |  |
Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  |  |  | 1.9375% |  |  |
Debt Instrument, Amortization Period |  | 15 years |  |  |  |  |  |  |
Debt Covenant, Fixed Charge Coverage Ratio, Maximum Outstanding Term Loans |  | $ 17,500 |  |  |  |  |  |  |
Debt Instrument, Term |  |  | 5 years |  |  |  |  |  |
Repayments of Long-term Debt |  |  |  |  |  | $ 133,710 | $ 480 | $ 26,104 |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | $ 150,000 |  |  |  |  |  |
Debt Issuance Cost |  |  |  |  | $ 1,500 |  |  |  |
Fixed Charge Coverage Ratio |  |  |  |  |  | 1.4 |  |  |
Letters of Credit Outstanding, Amount |  |  |  |  |  | $ 200 | 600 |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  |  | $ 74,800 | $ 49,400 |  |
Outstanding Debt Obligation, Weighted Average Interest Rate |  |  |  |  |  | 4.80% | 5.50% | 5.50% |

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