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Deferred Revenue and Customer Advances (Detail) - USD ($) $ in Thousands | Mar. 30, 2025 | Dec. 31, 2024 | Mar. 31, 2024 | Dec. 31, 2023
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Deferred Revenue Disclosure [Abstract] |  |  |  |
Maintenance, service and training | $ 55,795 | $ 58,473 |  |
Customer advances, undelivered elements and other | 59,217 | 48,118 |  |
Extended warranty | 44,312 | 41,624 | $ 34,509 | $ 34,897
Total deferred revenue and customer advances | $ 159,324 | $ 148,215 |  |

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- Definition Amount as of the balance sheet date of the aggregate extended product warranty liability. Does not include the ending balance for the standard product warranty liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-8 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (c)(5) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-8 + Details
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