GOODWILL AND OTHER INTANGIBLE ASSETS - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Segment	Jun. 30, 2012
Intangible Assets by Major Class [Line Items]
Aggregate amortization expense	$ 6,533	$ 5,135	$ 13,175	$ 10,114
Number of geographical reporting segments			2
Covenants not-to-compete
Intangible Assets by Major Class [Line Items]
Finite lived intangible assets, weighted average remaining useful life			4 years 3 months 18 days
Covenants not-to-compete | Minimum
Intangible Assets by Major Class [Line Items]
Finite lived intangible assets, useful life			5 years
Covenants not-to-compete | Maximum
Intangible Assets by Major Class [Line Items]
Finite lived intangible assets, useful life			14 years
Customer relationships
Intangible Assets by Major Class [Line Items]
Finite lived intangible assets, weighted average remaining useful life			26 years 1 month 6 days
Customer relationships | Minimum
Intangible Assets by Major Class [Line Items]
Finite lived intangible assets, useful life			14 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]
Finite lived intangible assets, weighted average remaining useful life			16 years 2 months 12 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
License agreements
Intangible Assets by Major Class [Line Items]
Finite lived intangible assets, weighted average remaining useful life			2 years 4 months 24 days
License agreements | Minimum
Intangible Assets by Major Class [Line Items]
Finite lived intangible assets, useful life			5 years
Market Approach Goodwill Impairment Test [Member]
Intangible Assets by Major Class [Line Items]
Percentage Difference Between Fair Value And Carrying Value Of Asset	100.00%		100.00%
Income Approach Goodwill Impairment Test [Member]
Intangible Assets by Major Class [Line Items]
Percentage Difference Between Fair Value And Carrying Value Of Asset	100.00%		100.00%