ACQUISITION (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended
	Jan. 28, 2015	Jun. 30, 2015	Sep. 30, 2014
Business Acquisition [Line Items]
Goodwill		$ 291,072	$ 282,337
ENOSERV LLC [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 20,500
Goodwill	10,000
Revenues	8,000
ENOSERV LLC [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Amortizable identifiable intangible assets	$ 9,000