Intangible Assets, Net

3 Months Ended

Mar. 28, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets, Net

Intangible Assets, Net

The following table summarizes intangible assets, net as of March 28, 2020 and December 28, 2019:

	March 28, 2020						December 28, 2019
(in millions of U.S. dollars)	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Intangible Assets
Not subject to amortization
Trademarks	$	423.9	$	—	$	423.9	$	287.1	$	—	$	287.1
Total intangible assets not subject to amortization	423.9		—		423.9		287.1		—		287.1
Subject to amortization
Customer relationships	752.2		276.3		475.9		534.9		267.4		267.5
Patents	19.0		4.4		14.6		15.2		4.0		11.2
Software	54.0		29.8		24.2		49.3		28.0		21.3
Other	13.9		5.0		8.9		14.9		5.0		9.9
Total intangible assets subject to amortization	839.1		315.5		523.6		614.3		304.4		309.9
Total intangible assets	$	1,263.0	$	315.5	$	947.5	$	901.4	$	304.4	$	597.0

Amortization expense of intangible assets was $14.4 million and $13.3 million for the three months ended March 28, 2020 and March 30, 2019, respectively.

The estimated amortization expense for intangible assets over the next five years and thereafter is:

(in millions of U.S. dollars)
Remainder of 2020	$	49.3
2021	58.1
2022	51.8
2023	43.5
2024	36.6
Thereafter	284.3
Total	$	523.6