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Commitments and Contingencies (Tables)
6 Months Ended
Jun. 30, 2014
Commitments and Contingencies [Abstract]  
Schedule of Product Warranty Liability

The following provides a reconciliation of changes in product warranty and recall liability: 

 

 

 

 

 

 

Six months ended June 30

 

2014 

 

2013 

Product warranty and recall at beginning of period

$

6,414 

$

5,651 

Accruals for products shipped during period

 

2,217 

 

2,047 

Aggregate changes in pre-existing liabilities due to claim developments

 

244 

 

1,394 

Settlements made during the period

 

(1,534)

 

(3,369)

Product warranty and recall at end of period

$

7,341 

$

5,723