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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 03, 2020 | Dec. 28, 2018 | Dec. 29, 2017
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | $ 46,520 | $ 43,187 | $ 59,502
Additions charged to costs and expenses | 604 | 8,215 | 6,647
Deductions | 5,789 | 4,882 | 22,962
Balance at End of Year | 41,335 | 46,520 | 43,187
Allowance For Doubtful Accounts |  |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | 550 | 349 | 276
Additions charged to costs and expenses | (320) | 207 | 81
Deductions | 142 | 6 | 8
Balance at End of Year | 88 | 550 | 349
Sales Return Reserve |  |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | 2,895 | 2,182 | 1,780
Additions charged to costs and expenses | 6,183 | 5,474 | 4,313
Deductions | 5,434 | 4,761 | 3,911
Balance at End of Year | 3,644 | 2,895 | 2,182
Deferred Tax Asset Valuation Allowance |  |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | 43,075 | 40,656 | 57,446
Additions charged to costs and expenses | (5,259) | 2,534 | 2,253
Deductions | 213 | 115 | 19,043
Balance at End of Year | $ 37,603 | $ 43,075 | $ 40,656

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