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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 01, 2021 | Jan. 03, 2020 | Dec. 28, 2018
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | $ 40,739 | $ 46,520 | $ 43,187
Additions charged to costs and expenses | 11,937 | 739 | 8,215
Deductions | 5,583 | 6,520 | 4,882
Balance at End of Year | 47,093 | 40,739 | 46,520
Allowance For Doubtful Accounts |  |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | 88 | 550 | 349
Additions charged to costs and expenses | 115 | (320) | 207
Deductions | 144 | 142 | 6
Balance at End of Year | 59 | 88 | 550
Sales Return Reserve |  |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | 3,644 | 2,895 | 2,182
Additions charged to costs and expenses | 6,182 | 6,183 | 5,474
Deductions | 5,294 | 5,434 | 4,761
Balance at End of Year | 4,532 | 3,644 | 2,895
Deferred Tax Asset Valuation Allowance |  |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | 37,007 | 43,075 | 40,656
Additions charged to costs and expenses | 5,640 | (5,124) | 2,534
Deductions | 145 | 944 | 115
Balance at End of Year | $ 42,502 | $ 37,007 | $ 43,075

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