Extended Product Warranty of Short and Long-Term Deferred Revenue and Customer Advances (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2026	Mar. 30, 2025
Product Warranties Disclosures [Abstract]
Balance at beginning of period	$ 55,913	$ 41,624
Deferral of new extended warranty revenue	17,778	7,938
Recognition of extended warranty deferred revenue	(6,680)	(5,250)
Balance at end of period	$ 67,011	$ 44,312