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Warranty (Tables)
 9 Months Ended
Dec. 31, 2019
Product Warranties Disclosures [Abstract]  
Analysis Of Changes In Liability For Product Warranties An analysis of changes in the liability for product warranties is as follows:

 
 
Quarter ended
 
Nine months ended
 
 
December 29, 2019
 
December 30, 2018
 
December 29, 2019
 
December 30, 2018
Balance at beginning of period
 
$
54,936

 
$
47,733

 
$
54,568

 
$
50,602

Current period provisions
 
7,234

 
5,603

 
21,228

 
16,620

Costs incurred
 
(7,764
)
 
(6,272
)
 
(20,939
)
 
(18,573
)
Warranty reserves of acquired businesses
 
4,967

 
7,535

 
4,967

 
7,535

Foreign currency translation adjustment
 
1,946

 
(240
)
 
1,495

 
(1,825
)
Balance at end of period
 
$
61,319

 
$
54,359

 
$
61,319

 
$
54,359