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Note 10 - Shareholders' Equity (Details) - Activity of Shareholders' Equity Two (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 29, 2013 | Dec. 30, 2012 | Jan. 01, 2012 | Jan. 02, 2011
Note 10 - Shareholders' Equity (Details) - Activity of Shareholders' Equity Two [Line Items] |  |  |  |
Amount | $ 340,787 | $ 295,702 |  |
Net income | 48,255 | 5,943 | 38,721 |
Pension liability adjustment | (1,409) | (771) | 5,066 |
Foreign currency translation adjustment | (5,241) | 8,539 | (7,614) |
Common Stock [Member] |  |  |  |
Note 10 - Shareholders' Equity (Details) - Activity of Shareholders' Equity Two [Line Items] |  |  |  |
Amount | 6,631 | 6,606 | 6,548 |
Shares (in Shares) | 66,311 | 66,062 | 65,484 |
Stock issuances under employee option plans | 20 | 16 |  |
Stock issuances under employee option plans (in Shares) | 201 | 160 |  |
Other issuances of common stock | 67 | 58 |  |
Other issuances of common stock (in Shares) | 670 | 573 |  |
Forfeitures and compensation expense related to stock awards | (62) | (16) |  |
Forfeitures and compensation expense related to stock awards (in Shares) | (622) | (155) |  |
Additional Paid-in Capital [Member] |  |  |  |
Note 10 - Shareholders' Equity (Details) - Activity of Shareholders' Equity Two [Line Items] |  |  |  |
Amount | 374,597 | 366,677 | 361,400 | 349,662
Stock issuances under employee option plans | 1,814 | 2,030 | 210 |
Other issuances of common stock | 10,805 | 7,564 | 11,336 |
Unamortized stock compensation expense related to restricted stock awards | (10,872) | (7,610) | (11,402) |
Forfeitures and compensation expense related to stock awards | 6,173 | 3,293 | 11,594 |
Retained Earnings [Member] |  |  |  |
Note 10 - Shareholders' Equity (Details) - Activity of Shareholders' Equity Two [Line Items] |  |  |  |
Amount | 24,226 | (16,746) | (16,764) | (49,770)
Net income | 48,255 | 5,943 | 38,721 |
Cash dividends paid | (7,283) | (5,925) | (5,231) |
Accumulated Defined Benefit Plans Adjustment [Member] |  |  |  |
Note 10 - Shareholders' Equity (Details) - Activity of Shareholders' Equity Two [Line Items] |  |  |  |
Amount | (34,082) | (35,491) | (36,262) | (31,196)
Pension liability adjustment | 1,409 | 771 | (5,066) |
Accumulated Translation Adjustment [Member] |  |  |  |
Note 10 - Shareholders' Equity (Details) - Activity of Shareholders' Equity Two [Line Items] |  |  |  |
Amount | (30,585) | (25,344) | (33,883) | (26,269)
Foreign currency translation adjustment | $ (5,241) | $ 8,539 | $ (7,614) |

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