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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Common Stock | Common Stock Cumulative Effect, Period of Adoption, Adjustment | Paid-in Capital | Paid-in Capital Cumulative Effect, Period of Adoption, Adjustment | Treasury Stock | Treasury Stock Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings | Retained Earnings Cumulative Effect, Period of Adoption, Adjustment | Accumulated Other Comprehensive Income (loss) | Accumulated Other Comprehensive Income (loss) Cumulative Effect, Period of Adoption, Adjustment | Accumulated Defined Benefit Plans Adjustment Attributable to Parent | Interest Rate Swap Retained Earnings | Interest Rate Swap Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance, Beginning at Dec. 30, 2017 | $ 1,361,148 |  | $ 145 |  | $ 374,922 |  | $ (445,118) |  | $ 1,697,618 |  | $ (266,419) |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings | 317,152 |  | 0 |  | 0 |  | 0 |  | 317,152 |  | 0 |  |  |  |
Currency translation adjustments | (43,050) |  | 0 |  | 0 |  | 0 |  | 0 |  | (43,050) |  |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax | 6,386 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in unrecognized pension benefit costs, net of tax | 32,125 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in unrecognized pension benefit costs, net of tax | Accounting Standards Update 2018-02 | 32,612 |  | 0 |  | 0 |  | 0 |  | 0 |  | 32,612 |  |  |  |
Unrealized (loss) gain on interest rate swap, tax | (81) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gain on interest rate swap, net of tax | 868 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gain on interest rate swap, net of tax | Accounting Standards Update 2018-02 | (751) |  | 0 |  | 0 |  | 0 |  | 0 |  | (751) |  |  |  |
Stock compensation | 2,497 |  | 0 |  | 2,497 |  | 0 |  | 0 |  | 0 |  |  |  |
Balance, Ending at Dec. 29, 2018 | 1,665,203 |  | 145 |  | 377,419 |  | (445,118) |  | 2,009,233 |  | (276,476) |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU |  | $ (100) |  |  |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU | Accounting Standards Update 2017-12 |  | $ 0 |  | $ 0 |  | $ 0 |  | $ 0 |  | $ (11) |  | $ 11 |  |  |
Net earnings | 352,240 |  | 0 |  | 0 |  | 0 |  | 352,240 |  | 0 |  |  |  |
Currency translation adjustments | 7,066 |  | 0 |  | 0 |  | 0 |  | 0 |  | 7,066 |  |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax | (11,914) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in unrecognized pension benefit costs, net of tax | (57,398) |  | 0 |  | 0 |  | 0 |  | 0 |  | (57,398) |  |  |  |
Unrealized (loss) gain on interest rate swap, tax | (8,516) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gain on interest rate swap, net of tax | (24,125) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gain on interest rate swap, net of tax | Accounting Standards Update 2017-12 | (24,136) |  | 0 |  | 0 |  | 0 |  | 0 |  | (24,136) |  |  |  |
Stock compensation | 8,133 |  | 0 |  | 8,133 |  | 0 |  | 0 |  | 0 |  |  |  |
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs | 1,850 |  | 0 |  | 1,850 |  | 0 |  | 0 |  | 0 |  |  |  |
Purchase of treasury stock | (6,144) |  | 0 |  | 0 |  | (6,144) |  | 0 |  | 0 |  |  |  |
Balance, Ending at Dec. 28, 2019 | 1,946,814 |  | 145 |  | 387,402 |  | (451,262) |  | 2,361,462 |  | (350,933) |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU 2017-12 |  |  |  |  |  |  |  |  |  |  |  |  | $ 500 |  |
Adoption of ASU 2017-12 | Accounting Standards Update 2018-02 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (1,600) |
Adoption of ASU 2017-12 | Accounting Standards Update 2017-12 | 11 |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  | $ 11
Net earnings | 207,294 |  | 0 |  | 0 |  | 0 |  | 207,294 |  | 0 |  |  |  |
Currency translation adjustments | 55,744 |  | 0 |  | 0 |  | 0 |  | 0 |  | 55,744 |  |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax | (40,426) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in unrecognized pension benefit costs, net of tax | (172,583) |  | 0 |  | 0 |  | 0 |  | 0 |  | (172,583) |  |  |  |
Unrealized (loss) gain on interest rate swap, tax | (7,147) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gain on interest rate swap, net of tax | (20,656) |  | 0 |  | 0 |  | 0 |  | 0 |  | (20,656) |  |  |  |
Stock compensation | 19,613 |  | 0 |  | 19,613 |  | 0 |  | 0 |  | 0 |  |  |  |
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs | 25,987 |  | 2 |  | 25,985 |  | 0 |  | 0 |  | 0 |  |  |  |
Purchase of treasury stock | (85,872) |  | 0 |  | 0 |  | (85,872) |  | 0 |  | 0 |  |  |  |
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt | (308) |  | 0 |  | (308) |  | 0 |  | 0 |  | 0 |  |  |  |
Balance, Ending at Jan. 02, 2021 | $ 1,976,649 |  | $ 147 |  | $ 433,308 |  | $ (537,134) |  | $ 2,568,756 |  | $ (488,428) |  |  |  |

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