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EMPLOYEE BENEFIT PLANS - Changes in Pension and Other Post-Retirement Benefit Obligations, Fair Value Of Plan Assets, as well as Amounts Recognized in the Consolidated Balance Sheets (Detail) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017
Change in benefit obligation |  |  |
Actuarial (gain) loss | $ 0.3 | $ 0.0 | $ 0.0
Amounts recognized in the Consolidated Balance Sheets |  |  |
Non-current benefit liability | (609.4) | (595.4) |
Accumulated other comprehensive loss (pre-tax): |  |  |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment | (1.0) |  |
Other Postretirement Benefits Plan [Member] |  |  |
Change in benefit obligation |  |  |
Benefit obligation at end of prior year | 44.8 | 52.3 |
Service cost | 0.3 | 0.5 | 0.6
Interest cost | 1.6 | 1.6 | 1.7
Settlements/curtailments | 0.0 | 0.0 |
Actuarial (gain) loss | 8.6 | (6.2) |
Plan amendments | 0.0 | 0.1 |
Foreign currency exchange rates | 0.0 | (1.0) |
Participant contributions | 0.0 | 0.0 |
Acquisitions, divestitures and other | 2.4 | 1.9 |
Benefits paid | (5.5) | (4.4) |
Benefit obligation at end of year | 52.2 | 44.8 | 52.3
Change in plan assets |  |  |
Fair value of plan assets at end of prior year | 0.0 | 0.0 |
Actual return on plan assets | 0.0 | 0.0 |
Employer contributions | 5.5 | 4.4 |
Settlements | 0.0 | 0.0 |
Foreign currency exchange rate changes | 0.0 | 0.0 |
Acquisitions, divestitures and other | 0.0 | 0.0 |
Fair value of plan assets at end of plan year | 0.0 | 0.0 | 0.0
Net liability recognized | (52.2) | (44.8) |
Unrecognized prior service cost (credit) | 2.0 | 3.4 |
Unrecognized net actuarial loss | 1.1 | (7.6) |
Amounts recognized in the Consolidated Balance Sheets |  |  |
Prepaid benefit cost (non-current) | 0.0 | 0.0 |
Current benefit liability | (4.5) | (4.8) |
Non-current benefit liability | (47.7) | (40.0) |
Net liability recognized | (52.2) | (44.8) |
Accumulated other comprehensive loss (pre-tax): |  |  |
Prior service cost (credit) | (2.0) | (3.4) |
Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Actuarial Gain Loss Net Of Tax | 1.1 | (7.6) |
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax, Total | (0.9) | (11.0) |
Net amount recognized | (53.1) | (55.8) |
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) | (1.4) | (1.3) | (1.4)
Net periodic pension expense | $ 0.2 | $ 0.8 | $ 0.9
Employee Stock Ownership Plan (ESOP), Plan |  |  |
Schedule of Pension and Other Postretirment Benefits Changes in Benefit Obligation and Fair Value of Plan Assets [Line Items] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Released In Period Weighted Average Grant Date Fair Value | $ 138.67 | $ 139.45 | $ 138.60
UNITED STATES |  |  |
Schedule of Pension and Other Postretirment Benefits Changes in Benefit Obligation and Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Amortization of Gain (Loss) | $ (8.0) | $ (7.8) | $ (8.3)
Change in benefit obligation |  |  |
Benefit obligation at end of prior year | 1,260.9 | 1,365.3 |
Service cost | 12.3 | 7.5 | 8.7
Interest cost | 47.1 | 42.8 | 43.2
Settlements/curtailments | 0.0 | 0.0 |
Actuarial (gain) loss | 130.4 | 106.2 |
Plan amendments | 1.4 | 0.2 |
Foreign currency exchange rates | 0.0 | 0.0 |
Participant contributions | 0.0 | 0.0 |
Acquisitions, divestitures and other | 10.0 | 34.0 |
Benefits paid | (116.7) | (82.7) |
Benefit obligation at end of year | 1,325.4 | 1,260.9 | 1,365.3
Change in plan assets |  |  |
Fair value of plan assets at end of prior year | 1,020.7 | 1,114.1 |
Actual return on plan assets | 190.0 | (52.9) |
Employer contributions | 19.5 | 19.4 |
Settlements | 0.0 | 0.0 |
Foreign currency exchange rate changes | 0.0 | 0.0 |
Acquisitions, divestitures and other | (10.0) | 22.8 |
Fair value of plan assets at end of plan year | 1,103.5 | 1,020.7 | 1,114.1
Net liability recognized | (221.9) | (240.2) |
Unrecognized prior service cost (credit) | (4.7) | (4.3) |
Unrecognized net actuarial loss | 266.2 | 272.0 |
Amounts recognized in the Consolidated Balance Sheets |  |  |
Prepaid benefit cost (non-current) | 0.0 | 0.0 |
Current benefit liability | (7.6) | (7.7) |
Non-current benefit liability | (214.3) | (232.5) |
Net liability recognized | (221.9) | (240.2) |
Accumulated other comprehensive loss (pre-tax): |  |  |
Prior service cost (credit) | 4.7 | 4.3 |
Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Actuarial Gain Loss Net Of Tax | 266.2 | 272.0 |
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax, Total | 270.9 | 276.3 |
Net amount recognized | 49.0 | 36.1 |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 61.7 | 68.7 | 64.4
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) | 1.0 | 1.1 | 1.1
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment | 0.0 | 0.0 | (2.9)
Net periodic pension expense | 6.7 | (9.5) | (0.2)
UNITED STATES | Current active plan [Member] |  |  |
Accumulated other comprehensive loss (pre-tax): |  |  |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment |  | (2.9) |
Foreign Plan [Member] |  |  |
Schedule of Pension and Other Postretirment Benefits Changes in Benefit Obligation and Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Amortization of Gain (Loss) | (8.6) | (8.5) | (9.4)
Change in benefit obligation |  |  |
Benefit obligation at end of prior year | 1,305.3 | 1,446.1 |
Service cost | 14.6 | 15.2 | 13.7
Interest cost | 30.3 | 28.6 | 29.1
Settlements/curtailments | (6.0) | (4.3) |
Actuarial (gain) loss | (140.6) | (64.1) |
Plan amendments | 0.7 | 16.0 |
Foreign currency exchange rates | 25.8 | (77.0) |
Participant contributions | 0.3 | 0.3 |
Acquisitions, divestitures and other | 2.2 | 3.4 |
Benefits paid | (59.5) | (58.9) |
Benefit obligation at end of year | 1,449.9 | 1,305.3 | 1,446.1
Change in plan assets |  |  |
Fair value of plan assets at end of prior year | 974.3 | 1,099.2 |
Actual return on plan assets | 133.2 | (18.6) |
Employer contributions | 22.6 | 20.9 |
Settlements | (5.6) | (4.2) |
Foreign currency exchange rate changes | 30.4 | (61.5) |
Acquisitions, divestitures and other | (2.2) | (2.9) |
Fair value of plan assets at end of plan year | 1,093.5 | 974.3 | 1,099.2
Net liability recognized | (356.4) | (331.0) |
Unrecognized prior service cost (credit) | 17.5 | 18.2 |
Unrecognized net actuarial loss | 318.7 | 270.8 |
Amounts recognized in the Consolidated Balance Sheets |  |  |
Prepaid benefit cost (non-current) | 0.1 | 1.0 |
Current benefit liability | (9.1) | (9.1) |
Non-current benefit liability | (347.4) | (322.9) |
Net liability recognized | (356.4) | (331.0) |
Accumulated other comprehensive loss (pre-tax): |  |  |
Prior service cost (credit) | (17.5) | (18.2) |
Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Actuarial Gain Loss Net Of Tax | 318.7 | 270.8 |
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax, Total | 301.2 | 252.6 |
Net amount recognized | (55.2) | (78.4) |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 45.6 | 46.5 | 45.5
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) | (0.6) | (1.3) | (1.2)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment | (1.0) | (0.7) | (12.7)
Net periodic pension expense | $ 8.3 | 5.2 | $ 18.2
Foreign Plan [Member] | Current active plan [Member] |  |  |
Accumulated other comprehensive loss (pre-tax): |  |  |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment |  | $ 0.5 |

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