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Warranty
 12 Months Ended
Mar. 31, 2019
Guarantees [Abstract]  
Warranty Warranty

The Company provides for estimated product warranty expenses when the related products are sold, with related liabilities included within accrued expenses and other liabilities. As warranty estimates are forecasts that are based on the best available information, primarily historical claims experience, claims costs may ultimately differ from amounts provided. An analysis of changes in the liability for product warranties is as follows:
 
 
Fiscal year ended March 31,
 
 
2019
 
2018
 
2017
Balance at beginning of year
 
$
50,602

 
$
46,116

 
$
48,422

Current year provisions
 
23,679

 
21,706

 
17,852

Costs incurred
 
(25,053
)
 
(18,820
)
 
(15,945
)
Warranty reserves of acquired business - Alpha
 
7,535

 
—

 
—

Foreign currency translation adjustment
 
(2,195
)
 
1,600

 
(4,213
)
Balance at end of year
 
$
54,568

 
$
50,602

 
$
46,116