Goodwill and Intangible Assets - Schedule of Goodwill (Detail) $ in Thousands	6 Months Ended
	Jun. 28, 2025 USD ($)
Goodwill [Roll Forward]
Balance at beginning of period	$ 442,886
Measurement period adjustment	154
Foreign currency translation	1,294
Balance at end of period	444,334
Light Duty
Goodwill [Roll Forward]
Balance at beginning of period	313,704
Measurement period adjustment	0
Foreign currency translation	0
Balance at end of period	313,704
Heavy Duty
Goodwill [Roll Forward]
Balance at beginning of period	55,706
Measurement period adjustment	0
Foreign currency translation	1,294
Balance at end of period	57,000
Specialty Vehicle
Goodwill [Roll Forward]
Balance at beginning of period	73,476
Measurement period adjustment	154
Foreign currency translation	0
Balance at end of period	$ 73,630

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details

Dorman Products, Inc. 10-Q