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Debt (Details Textual) - USD ($) $ in Thousands | Oct. 09, 2014 | Jun. 27, 2020 | Dec. 28, 2019
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Unamortized discount |  | $ 3,606 | $ 3,981
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 | 3,606 | $ 3,981
Debt issuance costs | $ 6,200 |  |
Fair value, notes payable |  | $ 391,500 |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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