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Consolidated Statements of Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Noncontrolling Interest [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 27, 2014 | $ 226 | $ 243,844 | $ (18,724) | $ (21,126) | $ 519,956 | $ 143 | $ 724,319
Comprehensive income: |  |  |  |  |  |  |
Net income for the year |  |  |  |  | 80,866 |  | 80,866
Pension liability adjustments, net |  |  |  | (1,761) |  |  | (1,761)
Pension settlement, net |  |  |  | 21,124 |  |  | 21,124
Pension and postemployment reclassification adjustments, net |  |  |  | 1,530 |  |  | 1,530
Unrealized (loss) on investments |  |  |  | 793 |  |  | 793
Foreign currency translation adjustments |  |  |  | (46,231) |  |  | (46,231)
Comprehensive income |  |  |  |  |  |  | 56,321
Stock-based compensation |  | 7,782 |  |  |  |  | 7,782
Withheld |  |  | (2,727) |  |  |  | (2,727)
Retirement of treasury stock |  |  | 18,712 |  | (18,712) |  |
Purchase of common stock | (4) | (1,221) | (30,027) |  |  |  | (31,252)
Stock options exercised | 2 | 9,148 |  |  |  |  | 9,150
Cash dividends paid |  |  |  |  | (24,341) |  | (24,341)
Balance at Jan. 02, 2016 | 224 | 243,844 | (32,766) | (45,671) | 557,769 | 143 | 739,252
Comprehensive income: |  |  |  |  |  |  |
Net income for the year |  |  |  |  | 104,488 |  | 104,488
Pension liability adjustments, net |  |  |  | (3,673) |  |  | (3,673)
Pension settlement, net |  |  |  |  |  |  |
Pension and postemployment reclassification adjustments, net |  |  |  | 412 |  |  | 412
Unrealized (loss) on investments |  |  |  | (815) |  |  | (815)
Foreign currency translation adjustments |  |  |  | (24,832) |  |  | (24,832)
Comprehensive income |  |  |  |  |  |  | 75,580
Stock-based compensation |  | 7,471 |  |  |  |  | 7,471
Withheld |  |  | (3,744) |  |  |  | (3,744)
Stock options exercised | 4 | 24,234 |  |  |  |  | 24,238
Cash dividends paid |  |  |  |  | (27,866) |  | (27,866)
Balance at Dec. 31, 2016 | 228 | 291,258 | (36,510) | (74,579) | 634,391 | 143 | 814,931
Comprehensive income: |  |  |  |  |  |  |
Net income for the year |  |  |  |  | 119,519 |  | 119,519
Pension liability adjustments, net |  |  |  | 1,235 |  |  | 1,235
Pension settlement, net |  |  |  |  |  |  |
Pension and postemployment reclassification adjustments, net |  |  |  | (88) |  |  | (88)
Unrealized (loss) on investments |  |  |  | (974) |  |  | (974)
Foreign currency translation adjustments |  |  |  | 10,738 |  |  | 10,738
Comprehensive income |  |  |  |  |  |  | 130,430
Stock-based compensation |  | 16,315 |  |  |  |  | 16,315
Withheld |  |  | (4,784) |  |  |  | (4,784)
Stock options exercised | 1 | 2,439 |  |  |  |  | 2,440
Cash dividends paid |  |  |  |  | (31,770) |  | (31,770)
Non-controlling interest |  |  |  |  |  | 6 | 6
Balance at Dec. 30, 2017 | $ 229 | $ 310,012 | $ (41,294) | $ (63,668) | $ 722,140 | $ 137 | $ 927,556

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