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Property And Equipment | 12 Months Ended
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Dec. 28, 2019
Property And Equipment [Abstract] |
Property And Equipment | NOTE F—PROPERTY AND EQUIPMENT Cost of property and equipment and their estimated useful lives is as follows:
|  |  |  | December 28, |  | December 29,
| Years |  | 2019 |  | 2018
Buildings |  | 39.5 |  | $ | 71,256 |  | $ | 71,326
Laboratory and production equipment |  | 5-7 |  |  | 33,180 |  |  | 31,969
Computer equipment and software |  | 3-5 |  |  | 53,421 |  |  | 51,410
Furniture and fixtures |  | 3-5 |  |  | 6,512 |  |  | 6,524
Automobiles |  | 3-5 |  |  | 573 |  |  | 682
Leasehold improvements |  | 3-5 |  |  | 13,396 |  |  | 13,102
Land improvements |  | 15 |  |  | 3,098 |  |  | 3,074
|  |  |  |  | 181,436 |  |  | 178,087
Less accumulated depreciation and amortization |  |  |  |  | 104,516 |  |  | 95,561
|  |  |  |  | 76,920 |  |  | 82,526
Land |  |  |  |  | 6,824 |  |  | 7,052
Deposits and projects in process |  |  |  |  | 11,489 |  |  | 2,447
|  |  |  | $ | 95,233 |  | $ | 92,025
Depreciation of property and equipment was $13,088, $15,222, and $14,480, for the years ended 2019, 2018, and 2017, respectively. ‎

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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