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Consolidated Statements of Cash Flows (Parenthetical) - Long term debt (including current portion) [member]
$ in Thousands
12 Months Ended
Mar. 12, 2019
USD ($)
Statement [LineItems]  
Opening Balance $ 89,131
Cash flows (28,100)
Non-cash changes amortization of debt issuance cost 360
Closing balance $ 61,391