SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Allowance for Doubtful Accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning Balance	$ 8,057	$ 8,145	$ 6,661
Additions, Charged to Operating Results	1,690	1,633	2,683
Additions, Charged to Other Accounts	110	(39)	339
Deductions	2,390	1,682	1,538
Ending Balance	7,467	8,057	8,145
Allowance for Sales Adjustments
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning Balance	12,987	9,477	4,874
Additions, Charged to Operating Results	267,165	254,135	185,198
Additions, Charged to Other Accounts	0	0	0
Deductions	271,772	250,625	180,595
Ending Balance	8,380	12,987	9,477
Valuation Allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning Balance	26,150	14,479	25,611
Additions, Charged to Operating Results	0	11,776	0
Additions, Charged to Other Accounts	8,190	0	0
Deductions	818	105	11,132
Ending Balance	$ 33,522	$ 26,150	$ 14,479

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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

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Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense.

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Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense.

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