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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Allowance for credit losses (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 26, 2020
Dec. 28, 2019
Dec. 26, 2020
Dec. 28, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]        
Beginning balance $ 2,699 $ 4,108 $ 3,824 $ 3,937
Credit (gain) loss (95) 229 (838) 515
Write-offs (79) (240) (461) (355)
Ending balance $ 2,525 $ 4,097 $ 2,525 $ 4,097