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POSTRETIREMENT BENEFIT PLANS - Net Periodic Benefit Cost of Pension Plans and Other Employee Related Benefit Plans (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 01, 2022 | Oct. 02, 2021 | Oct. 01, 2022 | Oct. 02, 2021
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | $ 0.5 | $ 0.6 | $ 1.5 | $ 1.7
Interest cost | 0.9 | 0.7 | 2.6 | 2.1
Amortization of prior service benefit | (1.5) | (0.9) | (4.0) | (3.4)
Amortization of net actuarial loss | 0.8 | 1.0 | 2.5 | 3.3
Total net periodic benefit cost (benefit) | 0.7 | 1.4 | 2.6 | 3.7
Pension Plan [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | 0.4 | 0.4 | 1.0 | 1.1
Interest cost | 0.3 | 0.3 | 1.0 | 0.8
Amortization of prior service benefit | 0.0 | 0.0 | 0.0 | 0.0
Amortization of net actuarial loss | 0.4 | 0.5 | 1.1 | 1.5
Total net periodic benefit cost (benefit) | 1.1 | 1.2 | 3.1 | 3.4
Other Postretirement Benefits Plan [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | 0.1 | 0.2 | 0.5 | 0.6
Interest cost | 0.6 | 0.4 | 1.6 | 1.3
Amortization of prior service benefit | (1.5) | (0.9) | (4.0) | (3.4)
Amortization of net actuarial loss | 0.4 | 0.5 | 1.4 | 1.8
Total net periodic benefit cost (benefit) | $ (0.4) | $ 0.2 | $ (0.5) | $ 0.3

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