GOODWILL AND INTANGIBLE ASSETS (Details 2) (USD $)	12 Months Ended			3 Months Ended	0 Months Ended	3 Months Ended		12 Months Ended		12 Months Ended		3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Mar. 31, 2012 De Novo Legal LLC	Oct. 31, 2011 Trade names	Jun. 30, 2012 AACER trade name	Dec. 31, 2011 AACER trade name	Dec. 31, 2012 Customer relationships	Dec. 31, 2011 Customer relationships	Dec. 31, 2012 Trade names	Dec. 31, 2011 Trade names	Jun. 30, 2012 AACER trade name	Dec. 31, 2012 Non-compete agreements	Dec. 31, 2011 Non-compete agreements
Amortizing and Non-amortizing intangible assets
Gross Carrying Amount	$ 150,050,000	$ 151,598,000					$ 5,156,000	$ 124,512,000	$ 124,283,000	$ 6,591,000	$ 3,212,000		$ 18,947,000	$ 18,947,000
Accumulated Amortization	90,099,000	63,511,000						73,713,000	50,813,000	1,650,000	987,000		14,736,000	11,711,000
Intangible assets acquired				200,000
Weighted average remaining life								7 years		8 years			5 years
Useful lives of intangible assets												10 years
Intangible asset impairment expense	1,777,000	1,278,000				1,800,000
Impairment expense recognized					1,300,000
Amortization of identifiable intangible assets	$ 26,588,000	$ 21,323,000	$ 9,190,000