OTHER ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Payroll and other compensation expenses	$ 43,874	$ 21,878
Insurance accruals	10,213	7,008
Property, sales and other non-income related taxes	5,379	3,058
Deferred revenue	3,705	1,355
Lease commitments	2,631	1,721
Contingent consideration	2,033	3,638
Accrued commission	2,000	1,159
Volume discount	896	1,280
Accrued interest	686	984
Other	10,680	7,715
Total	$ 82,097	$ 49,796