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Financial Instruments Measured at Fair Value (Narrative) (Details)
12 Months Ended
Dec. 01, 2017
GBP (£)
Jun. 19, 2017
USD ($)
Apr. 28, 2017
GBP (£)
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Business Acquisition [Line Items]          
Contingent consideration adjustment       $ (1,870,000) $ (2,281,000)
Discontinued foreign exchange hedges       0 0
Cash Flow Hedges | Not Designated as Hedging Instrument          
Business Acquisition [Line Items]          
Derivative, notional amount       2,275,000  
Fair value amounts of foreign exchange derivative contracts, assets       83,000  
Fair Value Hedges          
Business Acquisition [Line Items]          
Derivative, notional amount       41,845,000 20,986,000
Fair Value Hedges | Not Designated as Hedging Instrument          
Business Acquisition [Line Items]          
Fair value amounts of foreign exchange derivative contracts, assets       $ 440,000 $ 338,000
Better Bean          
Business Acquisition [Line Items]          
Contingent consideration, high range   $ 4,000,000      
Contingent consideration arrangements, period for achievement operating results   3 years     3 years
Yorkshire Provender          
Business Acquisition [Line Items]          
Contingent consideration, high range | £     £ 1,500,000    
Contingent consideration arrangements, period for achievement operating results     3 years    
Clarks          
Business Acquisition [Line Items]          
Contingent consideration, high range | £ £ 1,500,000        
Contingent consideration arrangements, period for achievement operating results 18 months        
Yeo Hiap Seng Limited          
Business Acquisition [Line Items]          
Equity method investment, ownership percentage (less than)       1.00%