ACQUISITIONS AND DIVESTITURES - Summary of Acquisition Location (Detail)	3 Months Ended		9 Months Ended												3 Months Ended
	Sep. 30, 2013 Entity	Jun. 30, 2013 Entity	Sep. 30, 2013 Entity	Sep. 30, 2013 United States Entity	Sep. 30, 2013 Argentina Entity	Sep. 30, 2013 Brazil Entity	Sep. 30, 2013 Canada Entity	Sep. 30, 2013 Chile Entity	Sep. 30, 2013 Japan Entity	Sep. 30, 2013 Mexico Entity	Sep. 30, 2013 Portugal Entity	Sep. 30, 2013 Romania Entity	Sep. 30, 2013 Spain Entity	Sep. 30, 2013 United Kingdom Entity	Mar. 31, 2013 Regulated Waste Management Service [Member] Entity	Sep. 30, 2013 Regulated Waste Management Service [Member] Argentina Entity	Sep. 30, 2013 Regulated Waste Management Service [Member] Canada Entity	Mar. 31, 2013 Regulated Waste Management Service [Member] Canada Entity	Mar. 31, 2013 Regulated Waste Management Service [Member] Chile Entity	Sep. 30, 2013 Regulated Waste Management Service [Member] Mexico Entity	Mar. 31, 2013 Regulated Waste Management Service [Member] Portugal Entity	Mar. 31, 2013 Regulated Waste Management Service [Member] Romania Entity	Sep. 30, 2013 Regulated Waste Management Service [Member] Spain Entity	Jun. 30, 2013 Regulated Waste Management Service [Member] United Kingdom Entity	Mar. 31, 2013 Regulated Waste Management Service [Member] United Kingdom Entity	Jun. 30, 2013 Regulated Recall And Returns Management Services [Member] United Kingdom Entity	Jun. 30, 2013 Acquisition One [Member] Regulated Waste Management Service [Member] Brazil Entity	Jun. 30, 2013 Acquisition Two [Member] Regulated Waste Management Service [Member] Brazil Entity
Business Acquisition [Line Items]
Number of acquisitions completed	17	12	41	12	3	2	2	1	3	1	2	4	2	9	12	2	1	1	1	1	1	1	1	1	3	1	1	1