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Financing Arrangements - Level 2 Measurements (Details) - USD ($) $ in Thousands | Jan. 02, 2021 | Dec. 28, 2019
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Debt Disclosure [Line Items] |  |
Total debt | $ 1,729,596 | $ 1,873,140
Debt excluding convertible senior notes |  |
Debt Disclosure [Line Items] |  |
Total debt | 1,096,749 | 1,873,140
Fair Value | $ 1,096,749 | $ 1,873,140

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