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Commitments and contingencies - Additional Information (Detail) - Customer Concentration Risk - Consolidated Sales - customer	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Ten Largest Customers
Concentration Risk [Line Items]
Number of customers accounted for sale	10
Sales Revenue, percentage	47.00%	52.00%	52.00%
Customer One | Security Products [Member]
Concentration Risk [Line Items]
Number of customers accounted for sale	1
Non-Recurring Project	11.00%
Sales Revenue, percentage	21.00%	24.00%	14.00%
Customer One | Marine Components
Concentration Risk [Line Items]
Number of customers accounted for sale			1
Sales Revenue, percentage			12.00%

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-Topic 954
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