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Warranties | 6 Months Ended
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Sep. 28, 2019
Product Warranties Disclosures [Abstract] |
Warranties | Warranties Activity in the liability for estimated warranties was as follows (in thousands):
| Three Months Ended |  | Six Months Ended
| September 28, 2019 |  | September 29, 2018 |  | September 28, 2019 |  | September 29, 2018
Balance at beginning of period | $ | 17,760 |  |  | $ | 16,670 |  |  | $ | 17,069 |  |  | $ | 16,638 |
Purchase accounting additions | 1,192 |  |  | — |  |  | 1,192 |  |  | — |
Charged to costs and expenses | 6,765 |  |  | 6,713 |  |  | 14,586 |  |  | 12,942 |
Payments and deductions | (7,154 | ) |  | (6,478 | ) |  | (14,284 | ) |  | (12,675 | )
Balance at end of period | $ | 18,563 |  |  | $ | 16,905 |  |  | $ | 18,563 |  |  | $ | 16,905 |

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- Definition The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -URI http://asc.fasb.org/topic&trid=2155896 + Details
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