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Note 1 - Summary of Accounting Policies (Tables)
12 Months Ended
Jun. 30, 2019
Notes Tables  
Financing Receivable, Allowance for Credit Loss [Table Text Block]
   
2019
   
2018
   
2017
 
Balance at beginning of year
  $
2,184
    $
1,571
    $
1,363
 
Acquisitions and other
   
66
     
(169
)    
52
 
Provision charged to expense
   
(267
)    
783
     
316
 
Write-offs, net of recoveries
   
(532
)    
(1
)    
(160
)
Balance at end of year
  $
1,451
    $
2,184
    $
1,571
 
Property, Plant and Equipment, Useful Lives [Table Text Block]
Buildings (years)
 
40
to
50
 
Leasehold improvements
 
Lesser of useful life or term, unless renewals are deemed to be reasonably assured
 
Machinery and equipment (years)
 
8
to
15
 
Furniture and Fixtures (years)
 
3
to
10
 
Computer hardware and software (years)
 
3
to
7
 
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Customer relationships (years)
 
5
to
15
 
Patents (years)
 
12
 
 
 
Non-compete agreements (years)
 
5
 
 
 
Other (years)
 
10
 
 
 
Developed technology (years)
 
10
to
20
 
Trade names
 
Indefinite life
 
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
   
2019
 
   
Total
   
Level 1
   
Level 2
   
Level 3
 
Financial Assets
                               
Marketable securities - deferred compensation plan
  $
2,354
    $
2,354
    $
-
    $
-
 
Interest rate swaps
   
52
     
-
     
52
     
-
 
                                 
Financial Liabilities
                               
Foreign exchange contracts
  $
3,052
    $
-
    $
3,052
    $
-
 
Interest rate swaps
   
1,432
     
-
     
1,432
     
-
 
Contingent acquisition payments (a)
   
6,418
     
-
     
-
     
6,418
 
   
2018
 
   
Total
   
Level 1
   
Level 2
   
Level 3
 
Financial Assets
                               
Marketable securities - deferred compensation plan
  $
2,362
    $
2,362
    $
-
    $
-
 
Foreign exchange contracts
   
1,357
     
-
     
1,357
     
-
 
Interest rate swaps
   
1,325
     
-
     
1,325
     
-
 
                                 
Financial Liabilities
                               
Foreign exchange contracts
  $
4,204
    $
-
    $
4,204
    $
-
 
Interest rate swaps
   
-
     
-
     
-
     
-
 
Contingent acquisition payments(a)
   
7,535
     
-
     
-
     
7,535
 
Schedule of Product Warranty Liability [Table Text Block]
   
2019
   
2018
   
2017
 
Balance at beginning of year
  $
4,966
    $
4,667
    $
4,335
 
Acquisitions and other charges
   
(85
)    
(138
)    
302
 
Warranty expense
   
5,016
     
6,248
     
5,052
 
Warranty claims
   
(4,619
)    
(5,811
)    
(5,022
)
Balance at end of year
  $
5,278
    $
4,966
    $
4,667
 
Schedule of Weighted Average Number of Shares [Table Text Block]
(share amounts in thousands)
 
2019
   
2018
   
2017
 
Basic – Average Shares Outstanding
   
12,574
     
12,698
     
12,666
 
Effect of Dilutive Securities – Stock Options and Restricted Stock Awards
   
59
     
90
     
102
 
Diluted – Average Shares Outstanding
   
12,633
     
12,788
     
12,768