Postretirement Plans - Summary of Amounts Included in Accumulated Other Comprehensive Income on Accompanying Consolidated Balance Sheets (Detail) - U.S. Postretirement Health Care Plans - USD ($) $ in Millions |
Jan. 01, 2022 |
Jan. 02, 2021 |
---|---|---|
Defined Benefit Plan Disclosure [Line Items] | ||
Net gain, net of tax of $0.8 million and $0.5 million, respectively | $ 2.3 | $ 1.3 |
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent | ||
Defined Benefit Plan Disclosure [Line Items] | ||
AOCI, tax | $ 0.8 | $ 0.5 |