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Lease (Tables) | 9 Months Ended
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Sep. 25, 2020
Leases [Abstract] |
Components of Lease Expenses | The components of lease expense are as follows (in thousands):
| Three months ended |  | Nine months ended
| September 25, 2020 |  | September 27, 2019 |  | September 25, 2020 |  | September 27, 2019
Operating lease cost | $ | 1,873 |  |  | $ | 2,641 |  |  | $ | 6,556 |  |  | $ | 6,868 |
Variable lease cost | 681 |  |  | 837 |  |  | 2,183 |  |  | 2,360 |
Total lease cost | $ | 2,554 |  |  | $ | 3,478 |  |  | $ | 8,739 |  |  | $ | 9,228 |
Supplemental cash flow information related to leases are as follows (in thousands):
| Three months ended |  | Nine months ended
| September 25, 2020 |  | September 27, 2019 |  | September 25, 2020 |  | September 27, 2019
Cash paid for amounts included in the measurement of operating lease liabilities | $ | 3,134 |  |  | $ | 2,655 |  |  | $ | 7,772 |  |  | $ | 6,937 |
Right-of-use assets obtained in exchange for operating lease obligations | $ | 69 |  |  | $ | — |  |  | $ | 1,740 |  |  | $ | 10,305 |

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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- References No definition available. + Details
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