GOODWILL AND INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

The change in the carrying amount of goodwill for the three months ended March 31, 2020 was as follows (amounts in millions):


Goodwill - December 31, 2019	$	1,768.6

Adjustments to 2019 business combinations	(0.6)

Foreign currency translation adjustments	(4.3)
Goodwill - March 31, 2020	$	1,763.7

Schedule of Finite-Lived Intangible Assets

The following table summarizes the Company’s intangible assets as of March 31, 2020 and December 31, 2019 (amounts in millions):


		March 31, 2020										December 31, 2019
	Amortization Period	Gross Asset Cost		Accumulated Amortization		Net Book Value		Gross Asset Cost		Accumulated Amortization		Net Book Value
Customer lists	3-20 years	$	775.2	$	331.7	$	443.5	$	781.1	$	313.7	$	467.4
Non-compete agreements	3-5 years	4.7		4.7		—		4.7		4.6		0.1
Intellectual property	10 years	38.0		16.3		21.7		38.3		15.4		22.9
Tradename	1-3 years	6.1		5.9		0.2		6.2		5.9		0.3
		$	824.0	$	358.6	$	465.4	$	830.3	$	339.6	$	490.7

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated amortization expense related to intangible assets subject to amortization at March 31, 2020 in each of the years subsequent to March 31, 2020 is as follows (amounts in millions):


2020 remaining	$	63.3
2021	82.6
2022	69.5
2023	57.0
2024	51.5
2025 and beyond	141.5
Total	$	465.4