ACQUISITIONS - Preliminary Purchase Price Allocation and Other Adjustments to Purchase Price Allocations (Detail) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Goodwill	$ 3,558,283	$ 3,758,177	$ 2,418,832
Business Acquisitions in 2016
Business Acquisition [Line Items]
Fixed assets	5,069
Intangibles	18,853
Goodwill	33,593
Accounts receivable	1,275
Net other assets/ (liabilities)	8
Current liabilities	(239)
Net deferred tax liabilities	(1,050)
Total purchase price allocation	57,509
Shred-It Acquisition
Business Acquisition [Line Items]
Fixed assets	31,861
Intangibles	277,000
Goodwill, purchase accounting adjustment	(209,958)
Accounts receivable	(1,085)
Current liabilities	(713)
Net deferred tax liabilities	(87,637)
Total purchase price allocation	9,468
Other Prior Year Acquisitions
Business Acquisition [Line Items]
Fixed assets	(165)
Intangibles	17,792
Goodwill, purchase accounting adjustment	(14,165)
Accounts receivable	776
Net other assets/ (liabilities)	147
Current liabilities	(1,343)
Net deferred tax liabilities	(4,853)
Total purchase price allocation	(1,811)
Business Acquisitions in Year 2015
Business Acquisition [Line Items]
Fixed assets	31,696
Intangibles	294,792
Goodwill, purchase accounting adjustment	(224,123)
Accounts receivable	(309)
Net other assets/ (liabilities)	147
Current liabilities	(2,056)
Net deferred tax liabilities	(92,490)
Total purchase price allocation	$ 7,657