XML 41 R52.htm IDEA: XBRL DOCUMENT v2.4.0.6
WARRANTY (Tables)
12 Months Ended
Dec. 31, 2011
WARRANTY COSTS [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
Changes in the warranty liability consisted of the following (amounts in thousands):
 
2011
 
2010
Warranty liability, January 1
$
12,471

 
$
9,169

Provision for warranty liabilities
27,127

 
19,795

Warranty payments made
(21,939
)
 
(16,493
)
Warranty liability, December 31
$
17,659

 
$
12,471