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Schedule II - Valuation and Qualifying Accounts and Reserves (Tables) | 12 Months Ended
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Dec. 29, 2018
Notes Tables |
Valuation And Qualifying Accounts Disclosure [Table Text Block] |
Column A |  | Column B |  |  | Column C |  |  | Column D |  |  | Column E |
Description |  | Balance at Beginning of Period |  |  | Charged to Costs and Expenses |  |  | Deduction |  |  | Balance at End of Period |
Fiscal Year Ended December 29, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts on trade receivables |  | $ | 967 |  |  |  | 1,106 |  |  |  | (630 | ) |  | $ | 1,443 |
Provision for contingencies for legal matters |  | $ | 125 |  |  |  | - |  |  |  | 125 |  |  | $ | - |
Fiscal Year Ended December 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts on trade receivables |  | $ | 1,402 |  |  |  | 662 |  |  |  | (1,097 | ) |  | $ | 967 |
Provision for contingencies for legal matters |  | $ | 455 |  |  |  | 192 |  |  |  | (522 | ) |  | $ | 125 |

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