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Business and Summary of Significant Accounting Policies (Narrative) (Details)
$ in Thousands
12 Months Ended
Jun. 30, 2016
USD ($)
product_line
segment
Jun. 30, 2015
USD ($)
Jun. 30, 2014
USD ($)
Jun. 30, 2013
USD ($)
Number of reportable segments | segment 2      
Cash and cash equivalents $ 61,400 $ 121,646 $ 194,851 $ 148,164
Deferred compensation plan assets 17,893 15,970    
Portion of investment obligation in current liabilities $ 1,600 $ 700    
Number of product lines with warranty programs | product_line 3      
Product warranty term 30 days      
Service revenue as a percent of net sales, maximum 3.00% 3.00% 2.00%  
Shipping revenue $ 13,000 $ 12,200 $ 12,200  
Buildings [Member]        
Property and equipment, estimated useful life (years) 40 years      
Building Improvements [Member]        
Property and equipment, estimated useful life (years) 15 years      
Minimum [Member] | Furniture [Member]        
Property and equipment, estimated useful life (years) 3 years      
Minimum [Member] | Equipment [Member]        
Property and equipment, estimated useful life (years) 3 years      
Minimum [Member] | Software [Member]        
Property and equipment, estimated useful life (years) 3 years      
Minimum [Member] | Customer Relationships [Member]        
Intangible assets, estimated useful life (years) 5 years      
Minimum [Member] | Distribution Rights [Member]        
Intangible assets, estimated useful life (years) 5 years      
Minimum [Member] | Trade Names [Member]        
Intangible assets, estimated useful life (years) 1 year      
Maximum [Member] | Furniture [Member]        
Property and equipment, estimated useful life (years) 10 years      
Maximum [Member] | Equipment [Member]        
Property and equipment, estimated useful life (years) 10 years      
Maximum [Member] | Software [Member]        
Property and equipment, estimated useful life (years) 10 years      
Maximum [Member] | Customer Relationships [Member]        
Intangible assets, estimated useful life (years) 15 years      
Maximum [Member] | Distribution Rights [Member]        
Intangible assets, estimated useful life (years) 15 years      
Maximum [Member] | Trade Names [Member]        
Intangible assets, estimated useful life (years) 5 years      
Customer Concentration Risk [Member] | Maximum [Member]        
Concentration risk percentage 5.00% 5.00% 5.00%  
Supplier Concentration Risk [Member] | Minimum [Member]        
Concentration risk percentage 10.00% 10.00% 10.00%  
Non-US [Member]        
Cash and cash equivalents $ 52,700 $ 43,400    
Bank Overdrafts [Member]        
Outstanding checks 78,300 $ 62,900    
Deferred Tax Asset [Member]        
Deferred income tax reclassified from current assets to non-current assets $ 20,600