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Note 1 - Summary of Accounting Policies (Tables)
12 Months Ended
Jun. 30, 2017
Notes Tables  
Allowance for Credit Losses on Financing Receivables [Table Text Block]
 
 
2017
 
 
2016
 
 
2015
 
Balance at beginning of year
  $
2,119
    $
2,226
    $
2,282
 
Acquisitions and other
   
52
     
3
     
4
 
Provision charged to expense
   
416
     
8
     
496
 
Write-offs, net of recoveries
   
(181
)    
(118
)    
(556
)
Balance at end of year
  $
2,406
    $
2,119
    $
2,226
 
Property, Plant and Equipment, Useful Lives [Table Text Block]
Buildings
   
40
to
50
 
Leasehold improvements
   
Lesser of useful life or term, unless renewals are deemed to be reasonably assured
 
Machinery and equipment
   
8
to
15
 
Furniture and Fixtures
   
3
to
10
 
Computer hardware and software
   
3
to
7
 
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Customer relationships
   
5
to
16
 
Patents
   
 
12
 
 
Non-compete agreements
   
5
to
10
 
Other
   
 
10
 
 
Developed technology
   
 
15
 
 
Trade names
   
Indefinite life
 
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
 
 
201
7
 
 
 
Total
 
 
Level 1
 
 
Level 2
 
 
Level 3
 
Financial Assets
                               
Marketable securities - deferred compensation plan
  $
2,397
    $
2,397
    $
-
    $
-
 
Foreign exchange contracts
   
399
     
 -
     
399
     
 -
 
Interest rate swaps
   
3,777
     
-
     
3,777
     
 -
 
                                 
Financial Liabilities
                               
Foreign exchange contracts
  $
3,232
    $
-
    $
3,232
    $
-
 
Interest rate swaps
   
3,958
     
-
     
3,958
     
-
 
Contingent acquisition payments
(a)
   
2,108
     
-
     
-
     
2,108
 
 
 
201
6
 
 
 
Total
 
 
Level 1
 
 
Level 2
 
 
Level 3
 
Financial Assets
                               
Marketable securities - deferred compensation plan
  $
2,333
    $
2,333
    $
-
    $
-
 
Foreign exchange contracts
   
11
     
-
     
11
     
-
 
                                 
Financial Liabilities
                               
Foreign exchange contracts
  $
94
    $
-
    $
94
    $
-
 
Interest rate swaps
   
1,038
     
-
     
1,038
     
-
 
Schedule of Product Warranty Liability [Table Text Block]
 
 
201
7
 
 
201
6
 
 
201
5
 
Balance at beginning of year
  $
9,085
    $
7,436
    $
6,941
 
Acquisitions and other charges
   
301
     
(5
)    
3
 
Warranty expense
   
9,203
     
13,503
     
11,086
 
Warranty claims
   
(9,346
)    
(11,849
)    
(10,594
)
Balance at end of year
  $
9,243
    $
9,085
    $
7,436
 
Schedule of Weighted Average Number of Shares [Table Text Block]
(share amounts in thousands)
 
201
7
 
 
201
6
 
 
201
5
 
Basic – Average Shares Outstanding
   
12,666
     
12,682
     
12,655
 
Effect of Dilutive Securities – Stock Options and
Restricted Stock Awards
   
102
     
102
     
150
 
Diluted – Average Shares Outstanding
   
12,768
     
12,784
     
12,805