GOODWILL AND OTHER INTANGIBLE ASSETS - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015 Segment	Mar. 31, 2014
Intangible Assets by Major Class [Line Items]
Number of geographical reportable segments	2
Aggregate amortization expense	$ 8,797,000	$ 7,315,000
Operating permits
Intangible Assets by Major Class [Line Items]
Write off of intangibles	1,200,000
Customer relationships
Intangible Assets by Major Class [Line Items]
Write off of intangibles	200,000
Finite lived intangible assets, weighted average remaining useful life	23 years 7 months 6 days
Customer relationships | Minimum
Intangible Assets by Major Class [Line Items]
Finite-lived intangible assets, useful life	10 years
Customer relationships | Maximum
Intangible Assets by Major Class [Line Items]
Finite-lived intangible assets, useful life	40 years
Tradenames
Intangible Assets by Major Class [Line Items]
Write off of intangibles	1,000,000
Finite lived intangible assets, weighted average remaining useful life	17 years 3 months 18 days
Tradenames | Minimum
Intangible Assets by Major Class [Line Items]
Finite-lived intangible assets, useful life	10 years
Tradenames | Maximum
Intangible Assets by Major Class [Line Items]
Finite-lived intangible assets, useful life	40 years
Covenants not-to-compete
Intangible Assets by Major Class [Line Items]
Finite lived intangible assets, weighted average remaining useful life	4 years 4 months 24 days
Covenants not-to-compete | Minimum
Intangible Assets by Major Class [Line Items]
Finite-lived intangible assets, useful life	3 years
Covenants not-to-compete | Maximum
Intangible Assets by Major Class [Line Items]
Finite-lived intangible assets, useful life	14 years
Technology
Intangible Assets by Major Class [Line Items]
Finite lived intangible assets, weighted average remaining useful life	1 year
Technology | Minimum
Intangible Assets by Major Class [Line Items]
Finite-lived intangible assets, useful life	5 years
International | Puerto Rico | Goodwill
Intangible Assets by Major Class [Line Items]
Retroactive reclassification of goodwill	$ 6,400,000