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Product Warranty (Tables)
 3 Months Ended
Mar. 31, 2016
Guarantees [Abstract]  
Reconciliation of Reserve for Warranty Expense
The following table provides a reconciliation of the activity related to the Company’s reserve for accrued warranty expense (in thousands):
 
Three Months Ended 
 March 31,
 
2016
 
2015
Beginning balance
$
5,706

 
$
5,607

Provision
1,737

 
1,803

Claims paid/costs incurred
(1,093
)
 
(1,002
)
Ending balance
$
6,350

 
$
6,408