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Note 10 - Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 28, 2014
Stockholders' Equity Note [Abstract] |
Schedule of Stockholders Equity [Table Text Block] |
|  | SHARES |  |  | AMOUNT |  |  | ADDITIONAL PAID-IN CAPITAL |  |  | RETAINED EARNINGS (DEFICIT) |  |  | PENSION LIABILITY |  |  | FOREIGN CURRENCY TRANSLATION ADJUSTMENT |
|  | (in thousands) |
Balance, at January 1, 2012 |  |  | 65,484 |  |  | $ | 6,548 |  |  | $ | 361,400 |  |  | $ | (16,764 | ) |  | $ | (36,262 | ) |  | $ | (33,883 | )
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,943 |  |  |  |  |  |  |  |  |
Stock issuances under employee option plans |  |  | 160 |  |  |  | 16 |  |  |  | 2,030 |  |  |  |  |  |  |  |  |  |  |  |  |
Other issuances of common stock |  |  | 573 |  |  |  | 58 |  |  |  | 7,564 |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized stock compensation expense related to restricted stock awards |  |  |  |  |  |  |  |  |  |  | (7,610 | ) |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (5,925 | ) |  |  |  |  |  |  |  |
Forfeitures and compensation expense related to stock awards |  |  | (155 | ) |  |  | (16 | ) |  |  | 3,293 |  |  |  |  |  |  |  |  |  |  |  |  |
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 771 |  |  |  |  |
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,539 |
Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, at December 30, 2012 |  |  | 66,062 |  |  | $ | 6,606 |  |  | $ | 366,677 |  |  | $ | (16,746 | ) |  | $ | (35,491 | ) |  | $ | (25,344 | )
|  | SHARES |  |  | AMOUNT |  |  | ADDITIONAL PAID-IN CAPITAL |  |  | RETAINED EARNINGS (DEFICIT) |  |  | PENSION LIABILITY |  |  | FOREIGN CURRENCY TRANSLATION ADJUSTMENT |
|  | (in thousands) |
Balance, at December 30, 2012 |  |  | 66,062 |  |  | $ | 6,606 |  |  | $ | 366,677 |  |  | $ | (16,746 | ) |  | $ | (35,491 | ) |  | $ | (25,344 | )
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 48,255 |  |  |  |  |  |  |  |  |
Stock issuances under employee option plans |  |  | 201 |  |  |  | 20 |  |  |  | 1,814 |  |  |  |  |  |  |  |  |  |  |  |  |
Other issuances of common stock |  |  | 670 |  |  |  | 67 |  |  |  | 10,805 |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized stock compensation expense related to restricted stock awards |  |  |  |  |  |  |  |  |  |  | (10,872 | ) |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (7,283 | ) |  |  |  |  |  |  |  |
Forfeitures and compensation expense related to stock awards |  |  | (622 | ) |  |  | (62 | ) |  |  | 6,173 |  |  |  |  |  |  |  |  |  |  |  |  |
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,409 |  |  |  |  |
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (5,241 | )
Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, at December 29, 2013 |  |  | 66,311 |  |  | $ | 6,631 |  |  | $ | 374,597 |  |  | $ | 24,226 |  |  | $ | (34,082 | ) |  | $ | (30,585 | )
|  | SHARES |  |  | AMOUNT |  |  | ADDITIONAL PAID-IN CAPITAL |  |  | RETAINED EARNINGS (DEFICIT) |  |  | PENSION LIABILITY |  |  | FOREIGN CURRENCY TRANSLATION ADJUSTMENT |
|  | (in thousands) |
Balance, at December 29, 2013 |  |  | 66,311 |  |  | $ | 6,631 |  |  | $ | 374,597 |  |  | $ | 24,226 |  |  | $ | (34,082 | ) |  | $ | (30,585 | )
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,808 |  |  |  |  |  |  |  |  |
Stock issuances under employee option plans |  |  | 55 |  |  |  | 5 |  |  |  | 381 |  |  |  |  |  |  |  |  |  |  |  |  |
Other issuances of common stock |  |  | 489 |  |  |  | 49 |  |  |  | 10,361 |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized stock compensation expense related to restricted stock awards |  |  |  |  |  |  |  |  |  |  | (10,410 | ) |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (9,297 | ) |  |  |  |  |  |  |  |
Forfeitures and compensation expense related to stock awards |  |  | (387 | ) |  |  | (38 | ) |  |  | 1,293 |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases |  |  | (500 | ) |  |  | (50 | ) |  |  | (7,619 | ) |  |  |  |  |  |  |  |  |  |  |  |
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (15,280 | ) |  |  |  |
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (28,351 | )
Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, at December 28, 2014 |  |  | 65,968 |  |  | $ | 6,597 |  |  | $ | 368,603 |  |  | $ | 39,737 |  |  | $ | (49,362 | ) |  | $ | (58,936 | )
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | Shares |  |  | Weighted Average Exercise Price |
Outstanding at December 29, 2013 |  |  | 184,000 |  |  | $ | 8.18 |
Granted |  |  | 0 |  |  |  | 0 |
Exercised |  |  | 55,000 |  |  |  | 6.68 |
Forfeited or cancelled |  |  | 3,000 |  |  |  | 1.49 |
Outstanding at December 28, 2014 (a) |  |  | 126,000 |  |  | $ | 9.23 |
Exercisable at December 28, 2014 (b) |  |  | 126,000 |  |  | $ | 9.23 |
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] |
|  |  |  |  | Options Outstanding |  |  | Options Exercisable |
| Range of Exercise Prices |  | Number Outstanding at December 28, 2014 |  |  | Weighted Average Remaining Contractual Life (years) |  |  | Weighted Average Exercise Price |  |  | Number Exercisable at December 28, 2014 |  |  | Weighted Average Exercise Price |
| $4.01 | – | $5.00 |  |  | 50,000 |  |  |  | 4.0 |  |  | $ | 4.30 |  |  |  | 50,000 |  |  | $ | 4.30 |
| $12.00 | - | $14.00 |  |  | 76,000 |  |  |  | 5.7 |  |  |  | 12.47 |  |  |  | 76,000 |  |  |  | 12.47 |
|  |  |  |  |  | 126,000 |  |  |  | 5.0 |  |  | $ | 9.23 |  |  |  | 126,000 |  |  | $ | 9.23 |
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] |
|  | Shares |  |  | Weighted Average Grant Date Fair Value |
Outstanding at December 29, 2013 |  |  | 1,707,500 |  |  | $ | 15.62 |
Granted |  |  | 489,000 |  |  |  | 21.28 |
Vested |  |  | 565,500 |  |  |  | 16.20 |
Forfeited or cancelled |  |  | 240,000 |  |  |  | 17.14 |
Outstanding at December 28, 2014 |  |  | 1,391,000 |  |  | $ | 17.12 |

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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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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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