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Product Warranty
 12 Months Ended
Mar. 31, 2018
Product Warranties Disclosures [Abstract]  
Product Warranty
following is a reconciliation of the changes in the aggregate product warranty accrual for 2018, 2017 and 2016:
(In thousands)
2018
 
2017
 
2016
Product warranty accrual, beginning
$
5,474

 
$
5,734

 
$
3,342

Warranty charges incurred, net
(11,247
)
 
(8,297
)
 
(7,781
)
Provision for warranty charges
15,993

 
8,037

 
10,173

Product warranty accrual, ending
$
10,220

 
$
5,474

 
$
5,734


Net warranty charges incurred include labor charges and costs of replacement parts for system repairs under warranty. These costs are recorded net of any estimated cost recoveries resulting from either successful repair of damaged parts or from warranties offered by the Company’s suppliers for defective components. The provision for warranty charges reflects the estimate of future anticipated net warranty costs to be incurred for all products under warranty at fiscal year-end and is recorded to cost of sales. Of the total of $10.2 million and $5.5 million in product warranty accrual at March 31, 2018 and April 1, 2017, $5.6 million and $2.1 million were non-current and were included in Other liabilities on the Consolidated Balance Sheets.