Pension and Postretirement Benefit Obligations - Additional Information (Detail) - Pension Plans $ in Millions	9 Months Ended
	Oct. 01, 2021 USD ($) benefit_plan
Defined Benefit Plan Disclosure [Line Items]
Number of company-sponsored pension plans | benefit_plan	2
Company contribution to pension plans during the period	$ 6.8
Expected employer contributions for the remainder of the year	$ 0.0