XML 40 R23.htm IDEA: XBRL DOCUMENT v2.4.0.6
Product Warranty (Tables)
 9 Months Ended
Jan. 31, 2013
Product Warranty [Abstract]  
Schedule Of Warranty Liability

 

 

 

 

 

 

 

 

 

Nine Months Ended

 

 

January 31,

(in thousands)

 

2013

 

2012

Beginning balance at May 1

 

$
1,885 

 

$
1,738 

Accrual

 

 
6,959 

 

 
6,337 

Settlements

 

 
(7,168)

 

 
(6,384)

 

 

 

 

 

 

 

Ending balance at January 31

 

$
1,676 

 

$
1,691