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Acquisition - Schedule of Estimated Annual Amortization Expense (Detail) - Barber-Nichols, Inc. [Member] $ in Thousands | Sep. 30, 2021 USD ($)
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Business Acquisition [Line Items] |
Remainder of 2022 | $ 1,497
2023 | 2,462
2024 | 1,775
2025 | 1,327
2026 | 1,123
2027 and thereafter | 16,607
Total intangible amortization | $ 24,791

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