NOTE 8 - NOTES PAYABLE, LINE OF CREDIT AND CAPITAL LEASES (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Debt Disclosure [Abstract]
Revolving lines of credit	$ 33,000	$ 58,000
Senior secured term loan	349,125	280,013
Senior unsecured notes	200,000	200,000
Discount on term loan and notes	(9,510)	(5,098)
Promissory notes payable to the former shareholders of businesses	1,057	10,470
Equipment notes payable	1,040	2,403
Capital lease obligaion	7,695	10,172
Total notes payable, line of credit and capital lease obligations	582,407	555,960
Less: current portion	(8,645)	(12,768)
Noncurrent total debt outstanding	$ 573,762	$ 543,192