XML 29 R24.htm IDEA: XBRL DOCUMENT v2.4.0.6
Warranties (Tables)
 3 Months Ended
Apr. 30, 2013
Product Warranties Disclosures [Abstract]  
Warranties
Changes in the warranty accrual were as follows:
 
 
Three Months Ended
 
 
April 30,
2013
 
April 30,
2012
Beginning balance
 
$
1,888

 
$
1,699

Accrual for warranties
 
864

 
820

Settlements made (in cash or in kind)
 
(762
)
 
(727
)
Ending balance
 
$
1,990

 
$
1,792