SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 30, 2018	Dec. 31, 2017	Dec. 25, 2016
Allowance for Doubtful Accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning Balance	$ 8,145	$ 6,661	$ 9,381
Additions, Charged to Operating Results	1,633	2,683	1,172
Additions, Charged to Other Accounts	(39)	339	(452)
Deductions	1,682	1,538	3,440
Ending Balance	8,057	8,145	6,661
Allowance for Sales Adjustments
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning Balance	9,477	4,874	5,662
Additions, Charged to Operating Results	254,135	185,198	199,423
Additions, Charged to Other Accounts	0	0	0
Deductions	250,625	180,595	200,211
Ending Balance	12,987	9,477	4,874
Valuation Allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning Balance	14,479	25,611	27,300
Additions, Charged to Operating Results	11,776	0	0
Additions, Charged to Other Accounts	0	0	0
Deductions	105	11,132	1,689
Ending Balance	$ 26,150	$ 14,479	$ 25,611

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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