REVENUES FROM CONTRACTS WITH CUSTOMERS (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Revenues Disaggregated by Service, Primary Geographical Regions and Timing of Revenue Recognition

In millions
	Year Ended Year Ended December 31,
	2020		2019		2018
Revenue by Service
Regulated Waste and Compliance Services	$	1,806.6	$	2,187.8	$	2,261.8
Secure Information Destruction Services	745.3		901.9		911.0
Communication and Related Services	123.6		219.2		313.1
Total Revenues	$	2,675.5	$	3,308.9	$	3,485.9
North America
Regulated Waste and Compliance Services	$	1,427.6	$	1,762.8	$	1,778.5
Secure Information Destruction Services	647.3		769.5		778.6
Communication and Related Services	114.3		207.6		286.0
Total North America Segment	$	2,189.2	$	2,739.9	$	2,843.1
International
Regulated Waste and Compliance Services	$	379.0	$	425.0	$	483.3
Secure Information Destruction Services	98.0		132.4		132.4
Communication and Related Services	9.3		11.6		27.1
Total International Segment	$	486.3	$	569.0	$	642.8

Schedule of Total Contract Acquisition Costs

Total contract acquisition costs, net of accumulated amortization, were classified as follows as of December 31:

In millions
	2020		2019
Other current assets	$	11.1	$	9.5
Other assets	31.1		28.9
Total contract acquisition costs	$	42.2	$	38.4