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DIVESTITURE - Narrative (Details) - Donhad
$ in Thousands, $ in Thousands
12 Months Ended
Apr. 30, 2018
USD ($)
Apr. 30, 2018
AUD ($)
Dec. 29, 2018
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Pre-tax income/(loss)     $ (913)
Disposed by sale      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Proceeds from divestiture $ 62,518 $ 82,500  
Pre-tax gain from divestiture, before recognition of currency translation loss 4,334    
Recognition of cumulative currency translation loss and hedges (out of OCI) $ (10,418)