INTANGIBLE ASSETS, Identifiable Intangible Assets with Finite Lives (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Identifiable intangible assets [Abstract]
Gross carrying amount	$ 249,918	$ 207,758
Accumulated amortization	95,076	72,847
Amortization of identifiable finite-lived intangible assets [Abstract]
Amortization of identifiable intangible assets	22,225
Finite-lived intangible assets, future amortization expense [Abstract]
Remainder of 2016	7,600
2017	26,140
2018	23,620
2019	21,590
2020	19,615
2021	16,455
Indefinite-lived intangible assets	$ 0
Customer Relationships & Lists [Member]
Identifiable intangible assets [Abstract]
Amortization period	10 years
Gross carrying amount	$ 185,885	167,442
Accumulated amortization	$ 80,604	63,578
Trademarks & Trade Names [Member]
Identifiable intangible assets [Abstract]
Amortization period	17 years
Gross carrying amount	$ 39,241	32,014
Accumulated amortization	$ 8,363	5,704
Developed Technology [Member]
Identifiable intangible assets [Abstract]
Amortization period	5 years
Gross carrying amount	$ 12,260	3,200
Accumulated amortization	2,746	1,057
Other [Member]
Identifiable intangible assets [Abstract]
Gross carrying amount	12,532	5,102
Accumulated amortization	$ 3,363	$ 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