Revenue (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Schedule of Net Revenue to External Customers By Geographic Area Based on Customer Location

Further disaggregation of net revenue to external customers by geographic area based on customer location is as follows:

	For the Three Months Ended
(in millions of U.S. dollars)	March 31, 2018		April 1, 2017
United States	$	418.6	$	409.6
United Kingdom		43.6		38.7
Canada		15.2		14.5
All other countries		83.4		74.1
Total1	$	560.8	$	536.9

^1. Prior-period amounts are not adjusted under the modified-retrospective method of adoption.