RESTRUCTURING, DIVESTITURES, AND IMPAIRMENTS (Tables)

12 Months Ended

Dec. 31, 2020

Restructuring and Related Activities [Abstract]

Summary of Impairments and Divestiture Losses, Net of (Gains)

The Company incurred the following impairments and divestiture losses (gains), net, which are included in the Consolidated Statements of Loss:

In millions
	Year Ended December 31,
	2020		2019		2018
North America Segment
Domestic Environmental Solutions business	$	53.8	$	—	$	—
CRS business	(38.8)		45.5		—
U.S. clean room business	—		—		6.9
Total North America charges, net	15.0		45.5		6.9
International Segment
CRS business	(4.0)		—		—
Argentina operations	112.4		—		—
Mexico operations	(4.9)		43.2		—
Chile operations	5.1		19.0		—
U.K. businesses	—		(4.7)		5.9
Total International charges, net	108.6		57.5		5.9
Divestiture losses (gains), net	$	123.6	$	103.0	$	12.8

Schedule of Impairments

Impairments:

In millions
	Year Ended December 31,
	2020		2019		2018
Impairments
Operational Optimization - COR	$	—	$	5.6	$	—
Operational Optimization - SG&A	2.8		1.7		12.3
Asset Impairment - COR	6.8		5.2		17.6
Asset Impairment - SG&A	8.7		16.9		8.9
Total Impairments	$	18.3	$	29.4	$	38.8
North America
Operational Optimization - COR	$	—	$	2.0	$	—
Operational Optimization - SG&A	—		0.4		1.0
Asset Impairment - COR	6.1		1.6		17.6
Asset Impairment - SG&A	4.2		0.5		—
Total North America Segment	$	10.3	$	4.5	$	18.6
International
Operational Optimization - COR	$	—	$	3.6	$	—
Operational Optimization - SG&A	2.8		1.3		11.3
Asset Impairment - COR	0.7		3.6		—
Asset Impairment - SG&A	4.5		16.4		8.9
Total International Segment	$	8.0	$	24.9	$	20.2