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Accrued Warranty Costs (Tables)
12 Months Ended
Dec. 31, 2015
Guarantees [Abstract]  
Changes in Product Warranty Obligation (Accrued Warranty Costs)

Changes in our product warranty obligation (accrued warranty costs) are as follows:

 

 

 

2015

 

 

2014

 

 

2013

 

 

 

(In Thousands)

 

Balance at beginning of year

 

$

8,817

 

 

$

7,297

 

 

$

6,172

 

Amounts charged to SG&A

 

 

9,678

 

 

 

7,923

 

 

 

7,388

 

Costs incurred

 

 

(7,944

)

 

 

(6,403

)

 

 

(6,263

)

Balance at end of year

 

$

10,551

 

 

$

8,817

 

 

$

7,297