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Restructuring - Additional Information (Detail) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 20, 2025 | Apr. 30, 2026 | Apr. 30, 2025 | Jan. 31, 2026
Restructuring Cost and Reserve [Line Items] |  |  |  |
Percentage of reduction of global workforce | 10.00% |  |  |
Percentage of reduction of product portfolio | 70.00% |  |  |
Expected annualized cost | $ 3,000 |  |  |
Pre-tax restructuring |  | $ 360 | $ 558 | $ 1,357
PI Segment Restructuring Plan [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Pre-tax restructuring |  | $ 400 |  | $ 1,300

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