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Lease Cost (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 25, 2020 | Dec. 30, 2020
Leases [Abstract] |  |  |
Finance leases | $ 6,315 | $ 5,409 |
Operating leases | 312,087 | 306,317 | $ 306,317
Total right-of-use assets | 318,402 | 311,726 |
Other current liabilities, finance leases | 2,445 | 1,998 |
Other long-term liabilities, finance leases | 4,056 | 3,586 |
Operating lease liabilities, current | 37,275 | 35,657 | 35,657
Long-term operating lease liabilities | 349,670 | 343,736 | $ 343,736
Finance leases | 6,501 |  |
Operating leases | 386,945 |  |
Total lease liabilities | 393,446 | 384,977 |
Finance lease cost: |  |  |
Amortization of right-of-use assets | 613 | 577 |
Interest on lease liabilities | 54 | 55 |
Operating lease cost | 12,330 | 10,742 |
Short-term lease cost | 82 | 124 |
Variable lease cost | 2,851 | 3,730 |
Total lease cost | $ 15,930 | 15,228 |
Weighted Average Lease Term [Abstract] |  |  |
Finance leases | 5 years 6 months |  | 5 years 2 months 12 days
Operating leases | 9 years 7 months 6 days |  | 9 years 8 months 12 days
Weighted Average Discount Rate [Abstract] |  |  |
Finance leases | 3.50% |  | 3.60%
Operating leases | 3.90% |  | 4.20%
Operating cash flows from finance leases | $ 54 | 55 |
Operating cash flows from operating leases | 11,825 | 11,329 |
Financing cash flows from finance leases | 602 | 559 |
Finance leases | 1,518 | 716 |
Operating leases | $ 11,095 | $ 28,035 |

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- Definition Amount of interest expense on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 + Details
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