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PRODUCT WARRANTIES
 12 Months Ended
Mar. 31, 2012
Product Warranties [Abstract]  
PRODUCT WARRANTIES
PRODUCT WARRANTIES
We generally provide a warranty on parts and labor for one year after the sale and installation of each device. We also warrant our disposables products through their use or expiration. We estimate our potential warranty expense based on our historical warranty experience, and we periodically assess the adequacy of our warranty accrual and make adjustments as necessary.
(In thousands)
March 31,
2012
 
April 2,
2011
Warranty accrual as of the beginning of the period
$
1,273

 
$
903

Warranty provision
2,430

 
1,823

Warranty spending
(2,907
)
 
(1,453
)
Warranty accrual as of the end of the period
$
796

 
$
1,273