Segment and Geographic Information - Segment Reporting, Reconciliation of Asset by Segment to Consolidated (Details) - USD ($) $ in Thousands	Sep. 26, 2026	Dec. 31, 2025
Segment Reporting [Line Items]
Assets	$ 2,558,844	$ 2,493,078
Operating Segments
Segment Reporting [Line Items]
Assets	1,581,125	1,607,048
Operating Segments \| Light Duty
Segment Reporting [Line Items]
Assets	1,307,825	1,330,389
Operating Segments \| Heavy Duty
Segment Reporting [Line Items]
Assets	193,507	199,768
Operating Segments \| Specialty Vehicle
Segment Reporting [Line Items]
Assets	$ 79,793	$ 76,891

Amount of asset recognized for present right to economic benefit.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details