v2.4.0.8
Warranties
 9 Months Ended
Sep. 30, 2013
Guarantees [Abstract]  
Warranties
 Warranties

The Company has warranties with various terms from eighteen months for parts to twenty-five years for certain heat exchangers.  The Company has an obligation to replace parts or service its products if conditions under the warranty are met.  A provision is made for estimated warranty costs at the time the related products are sold based upon the warranty period, historical trends, new products and any known identifiable warranty issues.  

Changes in the warranty accrual are as follows:
 
 
Three months ended
 
Nine months ended
 
September 30,
2013
 
September 30,
2012
 
September 30,
2013
 
September 30,
2012
Warranty accrual:
(in thousands)
Balance, beginning of period
$
6,766

 
$
6,575

 
$
5,776

 
$
6,093

Payments made
(1,477
)
 
(1,036
)
 
(3,394
)
 
(3,128
)
Provisions
2,238

 
1,129

 
5,145

 
3,703

Balance, end of period
$
7,527

 
$
6,668

 
$
7,527

 
$
6,668

 
 
 
 
 
 
 
 
Warranty expense:
$
2,289

 
$
1,129

 
$
5,332

 
$
3,703