Amount after tax of reclassification adjustments of other comprehensive income (loss).

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Period Type:	duration

Reclassifications Out of Accumulated Other Comprehensive Income (Loss) to Statements of Operations (Detail) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Oct. 02, 2022	Oct. 02, 2022	Oct. 03, 2021	Oct. 03, 2021	Oct. 02, 2022	Oct. 02, 2022	Oct. 03, 2021	Oct. 03, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income (expense)	$ (177)	$ (177)	$ 229	$ 229	$ (386)	$ (386)	$ 670	$ 670
Retirement Plans Prior Service Credit
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassifications, net of tax	2		2		5	5	5	5
Accumulated Other Comprehensive Income (Loss)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassifications, net of tax	$ (175)		$ 231		$ (381)	$ (381)	$ 675	$ 675