GOODWILL AND INTANGIBLE ASSETS (Details 2) (USD $)	3 Months Ended		6 Months Ended				6 Months Ended		3 Months Ended	6 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2011 Trade names	Jun. 30, 2012 Customer relationships	Dec. 31, 2011 Customer relationships	Mar. 31, 2012 Customer relationships De Novo Legal LLC	Jun. 30, 2012 Trade names	Dec. 31, 2011 Trade names	Jun. 30, 2012 AACER trade name	Jun. 30, 2012 Non-compete agreements	Dec. 31, 2011 Non-compete agreements
Amortizing and Non-amortizing intangible assets
Gross Carrying Amount	$ 150,050,000		$ 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	77,031,000		77,031,000		63,511,000		62,580,000	50,813,000		1,233,000	987,000		13,218,000	11,711,000
Weighted average remaining life (in years)							7 years			8 years		10 years	5 years
Amortization expense related to identifiable intangible assets	6,752,000	6,195,000	13,521,000	9,961,000
Purchase price adjustments									200,000
Intangible asset impairment expense	$ 1,777,000		$ 1,777,000									$ 1,800,000