Property, Plant and Equipment - Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	Dec. 25, 2021	Dec. 26, 2020
Property, Plant and Equipment [Line Items]
Total	$ 303,561	$ 259,919
Less-accumulated depreciation and amortization	(188,697)	(168,910)
Property, plant and equipment, net	114,864	91,009
Buildings [Member]
Property, Plant and Equipment [Line Items]
Total	58,788	37,676
Machinery, Equipment and Tooling [Member]
Property, Plant and Equipment [Line Items]
Total	146,999	131,853
Furniture, Fixtures and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total	7,303	5,468
Software and Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Total	$ 90,471	$ 84,922