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Warranty (Tables)
12 Months Ended
Mar. 31, 2021
Guarantees [Abstract]  
Analysis Of Changes In Liability For Product Warranties An analysis of changes in the liability for product warranties is as follows:
 Fiscal year ended March 31,
 202120202019
Balance at beginning of year$63,525 $54,568 $50,602 
Current year provisions27,645 27,622 23,679 
Costs incurred(34,346)(25,778)(25,053)
Warranty reserves of acquired businesses— 6,995 7,535 
Foreign currency translation adjustment2,138 118 (2,195)
Balance at end of year$58,962 $63,525 $54,568