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Note 6 - Borrowings (Details) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 12 Months Ended | 36 Months Ended | 61 Months Ended | 120 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 61 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 27, 2005 | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2014 | Mar. 25, 2016 | Sep. 30, 2015 Forward Contracts [Member] | Jun. 30, 2014 Based on Average Availability [Member] London Interbank Offered Rate (LIBOR) [Member] | Jun. 30, 2014 Based on Average Availability [Member] London Interbank Offered Rate (LIBOR) [Member] Minimum [Member] | Jun. 30, 2014 Based on Average Availability [Member] London Interbank Offered Rate (LIBOR) [Member] Maximum [Member] | Sep. 27, 2005 Senior Notes [Member] | Jun. 30, 2014 Line of Credit [Member] | Mar. 25, 2016 Letter of Credit [Member] Minimum [Member] | Mar. 25, 2016 Letter of Credit [Member] Maximum [Member] | Jun. 30, 2014 London Interbank Offered Rate (LIBOR) [Member] Minimum [Member] | Jun. 30, 2014 London Interbank Offered Rate (LIBOR) [Member] Maximum [Member] | Jun. 30, 2014 Federal Funds Effective Swap Rate [Member]
Note 6 - Borrowings (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes (in Dollars) | $ 200.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Term | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 5.375% | 5.375% |  | 5.375% |  |  |  |  |  | 5.375% |  |  |  |  |  |
Debt Instrument, Unamortized Discount (in Dollars) | 1.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Senior Long-term Debt (in Dollars) | 198.4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Related Commitment Fees and Debt Issuance Costs (in Dollars) |  |  |  |  |  |  |  |  |  |  | 2.0 |  |  |  |  |  |
Derivative, Loss on Derivative (in Dollars) |  |  |  |  |  |  | 0.8 |  |  |  |  |  |  |  |  |  |
Repayments of Senior Debt (in Dollars) |  |  |  |  | 70.6 |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars) |  | 50 |  |  | 50 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate Terms |  |  |  |  |  |  |  |  |  |  |  | At the Company's option, revolving loans under the Facility bear interest at an annual rate of either:(a) London Interbank Offered rate ("LIBOR") plus 2.0% to 2.5%, based on the average availability, or(b) The higher of (i) a prime rate, (ii) the federal funds effective rate plus 0.50%, or (iii) LIBOR plus 1.0% plus, in each case, an additional 1.0% to 1.5%, based on average availability. |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  | 1.00% | 1.00% | 1.50% |  |  |  |  | 2.00% | 2.50% | 0.50%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  | 0.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate During Period |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% | 2.50% |  |  |
Line of Credit Facility, Covenant Terms |  |  |  |  |  | If the average monthly availability is less than the greater of (i) 12.5% of the aggregate commitment and (ii) $6.3 million, the Company's fixed charge coverage ratio may not be less than 1 to 1 for any period of four consecutive fiscal quarters. Certain payments are restricted if the availability of the collateral supporting the facility falls below $10 million or 20% of the facility size. |  |  |  |  |  |  |  |  |  |  |
Letters of Credit Outstanding, Amount (in Dollars) |  | 0.6 |  |  | 0.6 |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars) |  | $ 49.4 |  |  | $ 49.4 |  |  |  |  |  |  |  |  |  |  |  |
Outstanding Debt Obligation, Weighted-Average Interest Rate |  | 5.50% | 5.50% | 5.50% |  |  |  |  |  |  |  |  |  |  |  |  |

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