XML 45 R14.htm IDEA: XBRL DOCUMENT v3.2.0.727
Product Warranty
 3 Months Ended
Jul. 31, 2015
Product Warranties Disclosures [Abstract]  
Product Warranty
Product Warranty
 
The Company estimates outstanding warranty costs based on the historical relationship between warranty claims and revenues.  The warranty accrual is reviewed monthly to verify that it properly reflects the remaining obligation based on the anticipated expenditures over the balance of the obligation period.  Adjustments are made when actual warranty claim experience differs from estimates.  Warranty claims are generally made within two months of the original shipment date.
 
The following is a reconciliation of the Company’s warranty liability, which is included in other accrued expenses on the balance sheet: 
 

Three Months Ended
 

July 31,
(in thousands)

2015

2014
Beginning balance at May 1

$
2,643


$
1,910

Accrual

3,756


3,938

Settlements

(3,522
)

(3,362
)







Ending balance at July 31

$
2,877


$
2,486