INTANGIBLE ASSETS, Identifiable Intangible Assets with Finite Lives (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Identifiable intangible assets [Abstract]
Gross carrying amount	$ 250,295	$ 207,758
Accumulated amortization	87,543	72,847
Amortization of identifiable finite-lived intangible assets [Abstract]
Amortization of identifiable intangible assets	14,695
Finite-lived intangible assets, future amortization expense [Abstract]
Remainder of 2016	15,127
2017	26,175
2018	23,655
2019	21,620
2020	19,640
2021	16,475
Indefinite-lived intangible assets	$ 0
Customer Relationships & Lists [Member]
Identifiable intangible assets [Abstract]
Amortization period	10 years
Gross carrying amount	$ 186,094	167,442
Accumulated amortization	$ 74,883	63,578
Trademarks & Trade Names [Member]
Identifiable intangible assets [Abstract]
Amortization period	17 years
Gross carrying amount	$ 39,593	32,014
Accumulated amortization	$ 7,475	5,704
Developed Technology [Member]
Identifiable intangible assets [Abstract]
Amortization period	5 years
Gross carrying amount	$ 12,260	3,200
Accumulated amortization	2,132	1,057
Other [Member]
Identifiable intangible assets [Abstract]
Gross carrying amount	12,348	5,102
Accumulated amortization	$ 3,053	$ 2,508
Other [Member] | Minimum [Member]
Identifiable intangible assets [Abstract]
Amortization period	5 years
Other [Member] | Maximum [Member]
Identifiable intangible assets [Abstract]
Amortization period	17 years