Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

No definition available.

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

SEGMENT INFORMATION (Details)	3 Months Ended		9 Months Ended
SEGMENT INFORMATION (Details)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 customer	Sep. 30, 2011
SEGMENT INFORMATION
Number of distinct business segments			3
Five largest customers
Major Customers
Number of major customers			5
Revenue (as a percent)	32.80%	29.10%	31.90%	29.10%