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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 28, 2018 | Dec. 29, 2017 | Dec. 30, 2016
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | $ 43,187 | $ 59,502 | $ 55,210
Additions | 8,215 | 6,647 | 9,185
Deductions | 4,882 | 22,962 | 4,893
Balance at End of Year | 46,520 | 43,187 | 59,502
Allowance For Doubtful Accounts |  |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | 349 | 276 | 244
Additions | 207 | 81 | 58
Deductions | 6 | 8 | 26
Balance at End of Year | 550 | 349 | 276
Sales Return Reserve |  |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | 2,182 | 1,780 | 1,633
Additions | 5,474 | 4,313 | 4,614
Deductions | 4,761 | 3,911 | 4,467
Balance at End of Year | 2,895 | 2,182 | 1,780
Deferred Tax Asset Valuation Allowance |  |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | 40,656 | 57,446 | 53,333
Additions | 2,534 | 2,253 | 4,513
Deductions | 115 | 19,043 | 400
Balance at End of Year | $ 43,075 | $ 40,656 | $ 57,446

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of increase in valuation and qualifying accounts and reserves from business combination. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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