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Note 6 - Stock-Based Compensation (Tables) | 9 Months Ended
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Jun. 30, 2012
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
(In thousands) |  | June 30, 2012 |  |  | July 2, 2011 |  |  | June 30, 2012 |  |  | July 2, 2011 |
Stock options: |  |  |  |  |  |  |  |  |  |  |  |
Compensation expense |  | $ | 132 |  |  | $ | 266 |  |  | $ | 580 |  |  | $ | 773 |
Excess tax deficiencies (benefits) |  |  | 11 |  |  |  | - |  |  |  | (120 | ) |  |  | (81 | )
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | Nine Months Ended |
|  | June 30, 2012 |  |  | July 2, 2011 |
Risk-free interest rate |  |  | 1.18 | % |  |  | 2.40 | %
Dividend yield |  |  | 0.92 | % |  |  | 0.97 | %
Expected volatility |  |  | 54.67 | % |  |  | 56.49 | %
Expected term (in years) |  |  | 5.75 |  |  |  | 5.11 |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | Options |  |  | Exercise Price Per Share |  | Contractual Term - |  | Aggregate Intrinsic |
|  | Outstanding (in thousands) |  |  | Range |  |  | Weighted Average |  | Weighted Average |  | Value (in thousands) |
Outstanding at October 1, 2011 |  |  | 994 |  |  | $ | 0.18 |  |  |  | - |  |  | $ | 20.27 |  |  | $ | 10.89 |  |  |  |  |
Granted |  |  | 76 |  |  |  | 13.06 |  |  |  | - |  |  |  | 13.06 |  |  |  | 13.06 |  |  |  |  |
Exercised |  |  | (12 | ) |  |  | 0.18 |  |  |  | - |  |  |  | 0.18 |  |  |  | 0.18 |  |  |  | $ | 147 |
Outstanding at June 30, 2012 |  |  | 1,058 |  |  |  | 0.36 |  |  |  | - |  |  |  | 20.27 |  |  |  | 11.17 |  | 6.57 years |  |  | 1,372 |
Vested and anticipated to vest in the future at June 30, 2012 |  |  | 1,037 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11.17 |  | 6.53 years |  |  | 1,357 |
Exercisable at June 30, 2012 |  |  | 713 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11.19 |  | 5.54 years |  |  | 1,140 |
Schedule of RSU Grants And Amortization Expense |
|  | Three Months Ended |  |  | Nine Months Ended |
(In thousands) |  | June 30, 2012 |  |  | July 2, 2011 |  |  | June 30, 2012 |  |  | July 2, 2011 |
Restricted stock unit grants: |  |  |  |  |  |  |  |  |  |
Units |  |  | - |  |  |  | 19 |  |  |  | 54 |  |  |  | 71 |
Market value |  | $ | - |  |  | $ | 276 |  |  | $ | 703 |  |  | $ | 928 |
Amortization expense |  |  | 206 |  |  |  | 417 |  |  |  | 884 |  |  |  | 976 |
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] |
(Unit amounts in thousands) |  | Restricted Stock Units Outstanding |  |  | Weighted Average Grant Date Fair Value |
Balance, October 1, 2011 |  |  | 328 |  |  | $ | 10.25 |
Granted |  |  | 54 |  |  |  | 13.06 |
Released |  |  | (92 | ) |  |  | 9.59 |
Balance, June 30, 2012 |  |  | 290 |  |  |  | 10.98 |
Schedule of Restricted Stock Awards Compensation Expense [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
(In thousands) |  | June 30, 2012 |  |  | July 2, 2011 |  |  | June 30, 2012 |  |  | July 2, 2011 |
Amortization expense |  | $ | - |  |  | $ | 33 |  |  | $ | - |  |  | $ | 149 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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