ACQUISITIONS - Purchase Price Allocation (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Oct. 01, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Goodwill	$ 3,758,177		$ 2,418,832	$ 2,231,582
Acquisitions Year 2015
Business Acquisition [Line Items]
Fixed assets	198,145
Intangibles	1,052,016
Goodwill	1,422,673
Accounts receivable	135,800
Net other assets/ (liabilities)	18,133
Environmental remediation liabilities	0
Current liabilities	(91,522)
Debt	(4,966)
Net deferred tax liabilities	(230,653)
Noncontrolling interests	0
Total purchase price allocation	2,499,626
Acquisitions Year 2014
Business Acquisition [Line Items]
Fixed assets			98,916
Intangibles			276,798
Goodwill			235,597
Accounts receivable			68,019
Net other assets/ (liabilities)			(11,702)
Environmental remediation liabilities			(32,383)
Current liabilities			(67,334)
Debt			(22,102)
Net deferred tax liabilities			(18,769)
Noncontrolling interests			(6,781)
Total purchase price allocation			$ 520,259
Acquisitions Year 2013
Business Acquisition [Line Items]
Fixed assets				15,582
Intangibles				92,398
Goodwill				179,795
Accounts receivable				19,920
Net other assets/ (liabilities)				3,260
Environmental remediation liabilities				0
Current liabilities				(23,200)
Debt				(7,512)
Net deferred tax liabilities				(13,995)
Noncontrolling interests				(4,211)
Total purchase price allocation				$ 262,037
Shred-It
Business Acquisition [Line Items]
Fixed assets		$ 174,250
Intangibles		955,000
Goodwill		1,333,046
Accounts receivable		117,541
Net other assets/ (liabilities)		16,738
Current liabilities		(72,178)
Debt		0
Net deferred tax liabilities		(220,505)
Total purchase price allocation		$ 2,303,892
Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Fixed assets	23,895
Intangibles	97,016
Goodwill	89,627
Accounts receivable	18,259
Net other assets/ (liabilities)	1,395
Current liabilities	(19,344)
Debt	(4,966)
Net deferred tax liabilities	(10,148)
Total purchase price allocation	$ 195,734