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Debt (Details Textual) - USD ($) $ in Thousands | Oct. 09, 2014 | Oct. 02, 2021 | Jan. 02, 2021
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Unamortized discount |  | $ 2,615 | $ 3,207
Senior Notes [Member] | Senior Notes Due 2024 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate principal amount, issued | $ 350,000 | 350,000 | 350,000
Stated interest rate of Senior Notes | 4.375% |  |
Proceeds from Senior Notes, net | $ 342,400 |  |
Unamortized discount | 1,400 | 2,615 | $ 3,207
Debt issuance costs | $ 6,200 |  |
Fair value, notes payable |  | $ 382,700 |

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