Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jan. 01, 2017

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:

Category	2016		2015		Life
	(In millions of dollars)
Land	$	3.8	$	3.8		—
Work in process	0.8		2.5			—
Buildings and improvements	61.1		60.2		15	to	45 years
Computer hardware and software	145.0		229.5		3	to	12 years
Equipment, furniture and fixtures	33.8		34.0			5	years
Leasehold improvements	25.5		31.8		The lesser of the life of the lease or 5 years.
Total property and equipment	$	270.0	$	361.8