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Note 8 - Product Warranty Obligations (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
 
 
Three Months E
nded
March 31
,
 
 
 
201
6
 
 
201
5
 
                 
Balance at beginning of period
  $ 30,197     $ 30,909  
Product warranty reserve assumed in acquisition
    840       -  
Payments
    (3,652 )     (5,433 )
Provision for warranties issued
    3,482       4,549  
Changes in estimates for pre-existing warranties
    1,037       (748 )
Balance at end of period
  $ 31,904     $ 29,277  
 
 
Three Months E
nded
March 31
,
 
 
 
201
6
 
 
201
5
 
                 
Balance at beginning of period
  $ 28,961     $ 27,193  
Deferred revenue on extended warranty contracts sold
    1,144       1,380  
Amortization of deferred revenue on extended warranty contracts
    (1,275 )     (1,042 )
Balance at end of period
  $ 28,830     $ 27,531  
Product Warranty Obligations Included In Consolidated Balance Sheet [Table Text Block]
 
 
March 31
,
 
 
December 31,
 
 
 
201
6
 
 
201
5
 
Product warranty liability
               
Current portion - other accrued liabilities
  $ 23,433     $ 21,726  
Long-term portion - other long-term liabilities
    8,471       8,471  
Total
  $ 31,904     $ 30,197  
                 
Deferred revenue related to extended warranty
               
Current portion - other accrued liabilities
  $ 5,189     $ 6,026  
Long-term portion - other long-term liabilities
    23,641       22,935  
Total
  $ 28,830     $ 28,961