ACQUISITIONS - Additional Information (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($) Entity	Mar. 31, 2015 USD ($)
Business Acquisition [Line Items]
Number of acquisitions | Entity	7
Net increase in goodwill	$ 25.5
Tax deductible goodwill amount	20.7
Net increase in Intangible Assets	8.4
Selling, general and administrative expenses
Business Acquisition [Line Items]
Acquisition related expenses	3.0	$ 3.3
Customer relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets	$ 7.7
Customer relationships | Minimum
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, useful life	10 years
Customer relationships | Maximum
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, useful life	40 years
Covenants not-to-compete
Business Acquisition [Line Items]
Acquired finite-lived intangible assets	$ 0.7
Acquired finite-lived intangible assets, useful life	5 years
Romania
Business Acquisition [Line Items]
Number of acquisitions | Entity	1
Spain
Business Acquisition [Line Items]
Number of acquisitions | Entity	1
United States
Business Acquisition [Line Items]
Net increase in goodwill	$ 23.7
United States | Secure information destruction business
Business Acquisition [Line Items]
Number of acquisitions | Entity	4
United States | Acquisition One | Regulated and Compliance Solutions
Business Acquisition [Line Items]
Number of acquisitions | Entity	1
Business acquisition, ownership percentage acquired	100.00%
International
Business Acquisition [Line Items]
Net increase in goodwill	$ 1.8
International | Romania | Regulated and Compliance Solutions
Business Acquisition [Line Items]
Number of acquisitions | Entity	1
International | Spain | Regulated and Compliance Solutions
Business Acquisition [Line Items]
Number of acquisitions | Entity	1