SIGNIFICANT ACCOUNTING POLICIES (Details 3) (USD $)	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 Term Loan	Jun. 30, 2013 Term Loan	Dec. 31, 2012 Term Loan	Jun. 30, 2013 Prior Term Loan Facility	Sep. 30, 2013 7.125% Senior Notes due 2018	Dec. 31, 2012 7.125% Senior Notes due 2018	Sep. 30, 2013 Seller Notes	Dec. 31, 2012 Seller Notes	Sep. 30, 2013 Revolving Credit Facility	Jun. 30, 2013 Revolving Credit Facility	Dec. 31, 2012 Revolving Credit Facility	Jun. 30, 2013 Prior Revolving Credit Facility	Sep. 30, 2013 Recurring basis Money Market Funds	Dec. 31, 2012 Recurring basis Money Market Funds
Fair Value of Financial Instruments
Fair value of assets															$ 2,500,000	$ 11,000,000
Market price (in dollars per share)															$ 1.00
Fair value of Senior Notes							213,000,000	211,500,000
Carrying value	471,057,000	520,646,000	223,594,000		293,300,000		200,000,000	200,000,000	21,463,000	27,346,000	26,000,000		0
Maximum borrowing capacity				$ 225,000,000		$ 300,000,000						$ 200,000,000		$ 100,000,000
Revenue Recognition
Customer contract term, minimum	1 year
Customer contract term, maximum	5 years