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