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Warranties (Tables)
 3 Months Ended
Jun. 27, 2020
Product Warranties Disclosures [Abstract]  
Activity in the liability for estimated warranties
Activity in the liability for estimated warranties was as follows (in thousands):
Three Months Ended
June 27,
2020		June 29,
2019
Balance at beginning of period$18,678  $17,069  
Charged to costs and expenses6,347  7,821  
Payments and deductions(6,487) (7,130) 
Balance at end of period$18,538  $17,760