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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Jan. 02, 2022
Accounting Policies [Abstract]  
Property and Equipment at Cost and Depreciable Useful Lives Cost and estimated useful lives of property and equipment by function are as follows:
Category20212020Life
 (In millions of dollars)   
Land$— $—   
Work in process0.3 0.4   
Buildings and improvements12.9 12.9 15to40 years
Computer hardware and software147.9 152.3 3to12 years
Equipment, furniture and fixtures26.6 34.8  5years
Leasehold improvements17.4 21.9 HQ: 15 years
Branches: Lesser of the lease or 5 years
Total property and equipment$205.1 $222.3