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Warranty
 6 Months Ended
Sep. 30, 2018
Product Warranties Disclosures [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:

 
 
Quarter ended
 
Six months ended
 
 
September 30, 2018
 
October 1, 2017
 
September 30, 2018
 
October 1, 2017
Balance at beginning of period
 
$
49,689

 
$
46,677

 
$
50,602

 
$
46,116

Current period provisions
 
6,181

 
3,717

 
11,017

 
6,808

Costs incurred
 
(7,920
)
 
(3,841
)
 
(12,301
)
 
(7,037
)
Foreign currency translation adjustment
 
(217
)
 
560

 
(1,585
)
 
1,226

Balance at end of period
 
$
47,733

 
$
47,113

 
$
47,733

 
$
47,113