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GUARANTEES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 26, 2020
Dec. 28, 2019
Changes in the product warranty accrual recorded in accrued expenses    
Balance, beginning of period $ 13,532 $ 17,008
Payments made (10,228) (17,484)
Change in liability for warranties issued during the period 12,287 16,080
Change in liability for pre-existing warranties (804) (2,072)
Balance, end of period $ 14,787 $ 13,532