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Note 6 - Borrowings (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended | 61 Months Ended |  | 120 Months Ended |  | 61 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2005 | Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2011 | Mar. 25, 2016 | Sep. 27, 2005 | Sep. 30, 2015 Forward Contracts [Member] | Sep. 30, 2015 Senior Notes [Member] | Sep. 27, 2005 Senior Notes [Member] | Mar. 25, 2016 Line of Credit [Member] | Mar. 25, 2016 Minimum [Member] Letter of Credit [Member] | Mar. 25, 2016 Maximum [Member] Letter of Credit [Member]
Note 6 - Borrowings (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  | $ 200.0 |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  | 5.375% |  |  |
Debt Instrument, Unamortized Discount |  |  |  |  |  | 1.6 |  |  |  |  |  |
Proceeds from Issuance of Senior Long-term Debt | 198.4 |  |  |  |  |  |  |  |  |  |  |
Debt Related Commitment Fees and Debt Issuance Costs |  |  |  |  |  |  |  | 2.0 |  |  |  |
Derivative, Loss on Derivative |  |  |  |  |  |  | 0.8 |  |  |  |  |
Repayments of Senior Debt |  | 24.0 | 12.0 |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 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. |  |
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 |  | 0.6 |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  | $ 49.4 |  |  |  |  |  |  |  |  |  |
Outstanding Debt Obligation, Weighted-Average Interest Rate |  | 5.50% | 5.50% | 5.50% |  |  |  |  |  |  |  |

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