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Note 10 - Shareholders' Equity - Activity of Shareholders' Equity (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 01, 2017 | Oct. 02, 2016 | Jul. 03, 2016 | Apr. 03, 2016 | Jan. 03, 2016 | Oct. 04, 2015 | Jul. 05, 2015 | Apr. 05, 2015 | Jan. 01, 2017 | Jan. 03, 2016 | Dec. 28, 2014
Balance |  |  |  |  | $ 342,366 |  |  |  |  | $ 342,366 |  |
Net income | $ 4,707 | [1] | $ 15,904 | $ 20,657 | $ 12,894 | $ 18,247 | $ 20,127 | $ 21,722 | $ 12,322 | 54,162 | $ 72,418 | $ 24,808
Pension liability adjustment |  |  |  |  |  |  |  |  |  | (11,572) | 6,072 | (15,280)
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  | (19,011) | (32,575) | $ (28,351)
Balance | $ 340,729 |  |  |  |  | $ 342,366 |  |  |  | 340,729 | $ 342,366 |
Windfall tax benefit - share-based payment awards |  |  |  |  |  |  |  |  |  | $ 6,300 |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |
Balance (in shares) |  |  |  |  | 65,701 |  |  |  | 65,968 | 65,701 | 65,968 | 66,311
Balance |  |  |  |  | $ 6,570 |  |  |  | $ 6,597 | $ 6,570 | $ 6,597 | $ 6,631
Net income |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0
Stock issuances under employee option plans (in shares) |  |  |  |  |  |  |  |  |  | 17 | 39 | 55
Stock issuances under employee option plans |  |  |  |  |  |  |  |  |  | $ 2 | $ 4 | $ 5
Other issuances of common stock (in shares) |  |  |  |  |  |  |  |  |  | 277 | 597 | 489
Other issuances of common stock |  |  |  |  |  |  |  |  |  | $ 28 | $ 59 | $ 49
Unamortized stock compensation expense related to restricted stock awards |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cash dividends paid |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0
Forfeitures and compensation expense related to stock awards (in shares) |  |  |  |  |  |  |  |  |  | (579) | (253) | (387)
Forfeitures and compensation expense related to stock awards |  |  |  |  |  |  |  |  |  | $ (58) | $ (25) | $ (38)
Share repurchases (in shares) |  |  |  |  |  |  |  |  |  | (1,178) | (650) | (500)
Share repurchases |  |  |  |  |  |  |  |  |  | $ (118) | $ (65) | $ (50)
Pension liability adjustment |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0
Other (in shares) |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0
Balance (in shares) | 64,238 |  |  |  |  | 65,701 |  |  |  | 64,238 | 65,701 | 65,968
Balance | $ 6,424 |  |  |  |  | $ 6,570 |  |  |  | $ 6,424 | $ 6,570 | $ 6,597
Windfall tax benefit - share-based payment awards |  |  |  |  |  |  |  |  |  | 0 |  |
Additional Paid-in Capital [Member] |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  | 370,327 |  |  |  | 368,603 | 370,327 | 368,603 | 374,597
Net income |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Stock issuances under employee option plans |  |  |  |  |  |  |  |  |  | 251 | 355 | 381
Other issuances of common stock |  |  |  |  |  |  |  |  |  | 4,726 | 9,746 | 10,361
Unamortized stock compensation expense related to restricted stock awards |  |  |  |  |  |  |  |  |  | (4,754) | (9,806) | (10,410)
Cash dividends paid |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Forfeitures and compensation expense related to stock awards |  |  |  |  |  |  |  |  |  | 979 | 14,670 | 1,293
Share repurchases |  |  |  |  |  |  |  |  |  | (18,378) | (13,241) | (7,619)
Pension liability adjustment |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Balance | 359,451 |  |  |  |  | 370,327 |  |  |  | 359,451 | 370,327 | 368,603
Windfall tax benefit - share-based payment awards |  |  |  |  |  |  |  |  |  | 6,300 |  |
Retained Earnings [Member] |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  | 100,270 |  |  |  | 39,737 | 100,270 | 39,737 | 24,226
Net income |  |  |  |  |  |  |  |  |  | 54,162 | 72,418 | 24,808
Stock issuances under employee option plans |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other issuances of common stock |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Unamortized stock compensation expense related to restricted stock awards |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cash dividends paid |  |  |  |  |  |  |  |  |  | (14,285) | (11,885) | (9,297)
Forfeitures and compensation expense related to stock awards |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Share repurchases |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Pension liability adjustment |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other |  |  |  |  |  |  |  |  |  | 91 | 0 | 0
Balance | 140,238 |  |  |  |  | 100,270 |  |  |  | 140,238 | 100,270 | 39,737
Windfall tax benefit - share-based payment awards |  |  |  |  |  |  |  |  |  | 0 |  |
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  | (43,290) |  |  |  | (49,362) | (43,290) | (49,362) | (34,082)
Net income |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Stock issuances under employee option plans |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other issuances of common stock |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Unamortized stock compensation expense related to restricted stock awards |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cash dividends paid |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Forfeitures and compensation expense related to stock awards |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Share repurchases |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Pension liability adjustment |  |  |  |  |  |  |  |  |  | (11,572) | 6,072 | (15,280)
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Balance | (54,862) |  |  |  |  | (43,290) |  |  |  | (54,862) | (43,290) | (49,362)
Windfall tax benefit - share-based payment awards |  |  |  |  |  |  |  |  |  | 0 |  |
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  | $ (91,511) |  |  |  | $ (58,936) | (91,511) | (58,936) | (30,585)
Net income |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Stock issuances under employee option plans |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other issuances of common stock |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Unamortized stock compensation expense related to restricted stock awards |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cash dividends paid |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Forfeitures and compensation expense related to stock awards |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Share repurchases |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Pension liability adjustment |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  | (19,011) | (32,575) | (28,351)
Other |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Balance | $ (110,522) |  |  |  |  | $ (91,511) |  |  |  | (110,522) | $ (91,511) | $ (58,936)
Windfall tax benefit - share-based payment awards |  |  |  |  |  |  |  |  |  | $ 0 |  |
[1] | Results for the fourth quarter of 2016 include restructuring and asset impairment charges of $19.8 million.

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