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PENSION AND OTHER POSTRETIREMENT BENEFITS - Reconciliation For Assets Measure At Fair Value Using Level 3 (Details) - Significant Other Observable Inputs (Level 3) - International
$ in Millions
12 Months Ended
Jan. 01, 2022
USD ($)
Reconciliation of Level 3 assets  
Balance at the beginning of the year $ 41.2
Net realized and unrealized gain 0.7
Purchases 3.3
Settlements (4.6)
Transfers into Level 3 11.0
Impact of changes in foreign currency exchange rates (2.7)
Balance at the end of the year 48.9
Insurance contracts  
Reconciliation of Level 3 assets  
Balance at the beginning of the year 41.2
Net realized and unrealized gain 0.7
Purchases 3.3
Settlements (4.6)
Impact of changes in foreign currency exchange rates (2.7)
Balance at the end of the year 37.9
Pooled funds – Real Estate Investment Trusts  
Reconciliation of Level 3 assets  
Transfers into Level 3 11.0
Balance at the end of the year $ 11.0