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Lessee ROU Assets and Lease Liabilities Lessee ROU Assets and Lease Liabilities (Tables) | 3 Months Ended
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Mar. 28, 2020
Leases [Abstract] |
Lessee Operating Lease Balance Sheet Classification | The balance sheet classifications for amounts related to the Company’s operating leases for which it is the lessee are as follows (in thousands):
| Balance sheet classification |  | March 28, 2020 |  | December 28, 2019
Lessee ROU assets | Other non-current assets |  | $ | 25,937 |  |  | $ | 19,137 |
Lessee current lease liabilities | Other current liabilities |  | 4,547 |  |  | 4,653 |
Lessee non-current lease liabilities | Other non-current liabilities |  | 22,776 |  |  | 15,834 |
Total operating lease liabilities |  |  | $ | 27,323 |  |  | $ | 20,487 |
Lessee, Operating Lease, Liability, Maturity | As of March 28, 2020, estimated future operating lease payments for each of the following fiscal years were as follows (in thousands):
Fiscal year | Amount
2020 (balance of year) | $ | 4,320 |
2021 | 4,454 |
2022 | 3,405 |
2023 | 3,105 |
2024 | 2,678 |
Thereafter(1) | 12,852 |
Total | 30,814 |
Imputed interest | (3,491 | )
Present value | $ | 27,323 |
______________ (1) Includes optional renewal period for certain leases.
Lease, Cost | Lease costs consist of the following (in thousands):
| Three Months Ended
| March 28, 2020 |  | March 30, 2019
Operating lease costs | $ | 1,658 |  |  | $ | 1,765 |
Short-term lease costs | — |  |  | 9 |
Sublease income | — |  |  | (52 | )
Total lease costs | $ | 1,658 |  |  | $ | 1,722 |

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- Definition [Table Text Block] for Lessee Operating Lease Balance Sheet Classification [Table] + References No definition available. + Details
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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=77888426&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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