INCOME TAXES (Details) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Income Tax [Abstract]
Income tax expense (benefit)	$ 11,700,000		$ 2,400,000	$ 14,000,000	$ 5,300,000
Impairment of goodwill	36,600,000	12,000,000	0	48,600,000	0
Income Tax Rate On Goodwill Impairment	36.00%
Effective income tax rate (in hundredths)					41.90%
Effective income tax rate (in hundredths), excluding impairment of goodwill charge				40.90%
2012	4,500,000			4,500,000
2013	4,700,000			4,700,000
2014	4,700,000			4,700,000
2015	5,000,000			5,000,000
2016	5,300,000			5,300,000
2017 and thereafter	43,400,000			43,400,000
Total	67,600,000			67,600,000
Reclass from deferred to current taxes	3,245,000			3,245,000		3,383,000
Reclass from deferred to current tax liability	1,000,000			1,000,000
Interest expense on income taxes not accrued	$ 500,000			$ 500,000