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Note 12 - Shareholders' Equity - Activity in Shareholders' Equity (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 30, 2018 | Sep. 30, 2018 | [2] | Jul. 01, 2018 | [3] | Apr. 01, 2018 | Dec. 31, 2017 | Oct. 01, 2017 | Jul. 02, 2017 | Apr. 02, 2017 | Dec. 30, 2018 | Dec. 31, 2017 | Jan. 01, 2017
Balance |  |  |  |  | $ 330,091 |  |  |  |  |  |  | $ 330,091 |  |
Net income | $ 6,395 | [1] | $ 8,172 | $ 20,602 | $ 15,084 | $ 4,322 | [4] | $ 19,439 | $ 20,938 | $ 8,547 | [5] | 50,253 | $ 53,246 | $ 54,162
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  |  | 12,944 | (1,692) | (11,572)
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  |  |  | (22,544) | 31,579 | (19,011)
Cash flow hedge unrealized gain (loss) |  |  |  |  |  |  |  |  |  |  |  | 422 | 904 | $ 0
Balance | $ 354,663 |  |  |  |  | $ 330,091 |  |  |  |  |  | $ 354,663 | $ 330,091 |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance (in shares) |  |  |  |  | 59,806,000 |  |  |  |  | 64,238,000 |  | 59,806,000 | 64,238,000 | 65,701,000
Balance |  |  |  |  | $ 5,981 |  |  |  |  | $ 6,424 |  | $ 5,981 | $ 6,424 | $ 6,570
Net income |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0
Stock issuances under employee plans (in shares) |  |  |  |  |  |  |  |  |  |  |  | 224,000 | 36,000 | 17,000
Stock issuances under employee plans |  |  |  |  |  |  |  |  |  |  |  | $ 22 | $ 4 | $ 2
Other issuances of common stock (in shares) |  |  |  |  |  |  |  |  |  |  |  | 182,000 | 253,000 | 277,000
Other issuances of common stock |  |  |  |  |  |  |  |  |  |  |  | $ 18 | $ 25 | $ 28
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) |  |  |  |  |  |  |  |  |  |  |  | (89,000) | (93,000) | (579,000)
Forfeitures and compensation expense related to stock awards |  |  |  |  |  |  |  |  |  |  |  | $ (9) | $ (9) | $ (58)
Share Repurchases (in shares) |  |  |  |  |  |  |  |  |  |  |  | (615,000) | (4,628,300) | (1,177,600)
Share Repurchases |  |  |  |  |  |  |  |  |  | (50,000) |  | $ (61) | $ (463) | $ (118)
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Windfall tax benefit - share-based payment awards |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0
Other |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0
Cash flow hedge unrealized gain (loss) |  |  |  |  |  |  |  |  |  |  |  | $ 0 | 0 |
Adoption of new accounting standard - share-based payment awards |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |
Balance (in shares) | 59,508,000 |  |  |  |  | 59,806,000 |  |  |  |  |  | 59,508,000 | 59,806,000 | 64,238,000
Balance | $ 5,951 |  |  |  |  | $ 5,981 |  |  |  |  |  | $ 5,951 | $ 5,981 | $ 6,424
Additional Paid-in Capital [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  | 271,271 |  |  |  |  | 359,451 |  | 271,271 | 359,451 | 370,327
Net income |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Stock issuances under employee plans |  |  |  |  |  |  |  |  |  |  |  | 476 | 508 | 251
Other issuances of common stock |  |  |  |  |  |  |  |  |  |  |  | 4,809 | 4,507 | 4,726
Unamortized stock compensation expense related to restricted stock awards |  |  |  |  |  |  |  |  |  |  |  | (4,710) | (4,532) | (4,754)
Cash dividends paid |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Forfeitures and compensation expense related to stock awards |  |  |  |  |  |  |  |  |  |  |  | 12,847 | 5,574 | 979
Share Repurchases |  |  |  |  |  |  |  |  |  |  |  | (14,424) | (91,113) | (18,378)
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Windfall tax benefit - share-based payment awards |  |  |  |  |  |  |  |  |  |  |  |  | (3,124) | 6,300
Other |  |  |  |  |  |  |  |  |  |  |  |  |  | 0
Cash flow hedge unrealized gain (loss) |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Adoption of new accounting standard - share-based payment awards |  |  |  |  |  |  |  |  |  |  |  |  | 0 |
Balance | 270,269 |  |  |  |  | 271,271 |  |  |  |  |  | 270,269 | 271,271 | 359,451
Retained Earnings [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  | 187,432 |  |  |  |  | 140,238 |  | 187,432 | 140,238 | 100,270
Net income |  |  |  |  |  |  |  |  |  |  |  | 50,253 | 53,246 | 54,162
Stock issuances under employee 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 |  |  |  |  |  |  |  |  |  |  |  | (15,471) | (15,487) | (14,285)
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
Windfall tax benefit - share-based payment awards |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0
Other |  |  |  |  |  |  |  |  |  |  |  |  |  | 91
Cash flow hedge unrealized gain (loss) |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Adoption of new accounting standard - share-based payment awards |  |  |  |  |  |  |  |  |  |  |  |  | 9,435 |
Balance | 222,214 |  |  |  |  | 187,432 |  |  |  |  |  | 222,214 | 187,432 | 140,238
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  | (56,554) |  |  |  |  | (54,862) |  | (56,554) | (54,862) | (43,290)
Net income |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Stock issuances under employee 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 |  |  |  |  |  |  |  |  |  |  |  | 12,944 | (1,692) | (11,572)
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Windfall tax benefit - share-based payment awards |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0
Other |  |  |  |  |  |  |  |  |  |  |  |  |  | 0
Cash flow hedge unrealized gain (loss) |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Adoption of new accounting standard - share-based payment awards |  |  |  |  |  |  |  |  |  |  |  |  | 0 |
Balance | (43,610) |  |  |  |  | (56,554) |  |  |  |  |  | (43,610) | (56,554) | (54,862)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  | (78,943) |  |  |  |  | (110,522) |  | (78,943) | (110,522) | (91,511)
Net income |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Stock issuances under employee 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 |  |  |  |  |  |  |  |  |  |  |  | (22,544) | 31,579 | (19,011)
Windfall tax benefit - share-based payment awards |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0
Other |  |  |  |  |  |  |  |  |  |  |  |  |  | 0
Cash flow hedge unrealized gain (loss) |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Adoption of new accounting standard - share-based payment awards |  |  |  |  |  |  |  |  |  |  |  |  | 0 |
Balance | (101,487) |  |  |  |  | (78,943) |  |  |  |  |  | (101,487) | (78,943) | (110,522)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  | $ 904 |  |  |  |  | $ 0 |  | 904 | 0 |
Net income |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Stock issuances under employee plans |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Other issuances of common stock |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Unamortized stock compensation expense related to restricted stock awards |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Cash dividends paid |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Forfeitures and compensation expense related to stock awards |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Share Repurchases |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Windfall tax benefit - share-based payment awards |  |  |  |  |  |  |  |  |  |  |  |  | 0 |
Cash flow hedge unrealized gain (loss) |  |  |  |  |  |  |  |  |  |  |  | 422 | 904 |
Adoption of new accounting standard - share-based payment awards |  |  |  |  |  |  |  |  |  |  |  |  | 0 |
Balance | $ 1,326 |  |  |  |  | $ 904 |  |  |  |  |  | $ 1,326 | $ 904 | $ 0
[1] | Results for the fourth quarter of 2018 include tax benefit of $6.7 million as a result of the finalization of the Company's analysis of the U.S. Tax Cuts and Jobs Act, as well as restructuring and asset impairment charges of $20.5 million. Results for the fourth quarter of 2018 include purchase price accounting amortization of $11.8 million and transaction related expense of $1.2 million.
[2] | Results for the third quarter of 2018 include purchase price accounting amortization of $20.3 million and transaction related expenses of $2.4 million.
[3] | Results for the second quarter of 2018 include transaction related expenses of $5.8 million.
[4] | Results for the fourth quarter of 2017 include tax charges of $15.2 million as a result of the U.S. Tax Cuts and Jobs Act.
[5] | Results for the first quarter of 2017 include restructuring and asset impairment charges of $7.3 million.

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