GOODWILL AND OTHER INTANGIBLE ASSETS (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Intangible assets
Gross Carrying Amount	$ 85,396,000	$ 84,924,000
Accumulated Amortization	(27,375,000)	(20,643,000)
Net Carrying Amount	48,952,000
Net Carrying Amount	58,021,000	64,281,000
Amortization expense	6,700,000	5,500,000
Weighted average life of the additions to customer lists, patents and other intangibles	7 years 9 months 18 days
Trade Name
Intangible assets
Gross Carrying Amount	10,023,000	9,070,000
Accumulated Amortization	(264,000)
Net Carrying Amount	9,759,000	9,070,000
Trade Name | Minimum
Intangible assets
Amortization period	1 year
Trade Name | Maximum
Intangible assets
Amortization period	3 years
Customer Lists
Intangible assets
Gross Carrying Amount	46,932,000	48,044,000
Accumulated Amortization	(11,627,000)	(7,846,000)
Net Carrying Amount	35,305,000	40,198,000
Customer Lists | Minimum
Intangible assets
Amortization period	10 years
Customer Lists | Maximum
Intangible assets
Amortization period	14 years
Patents and Other Intangibles
Intangible assets
Gross Carrying Amount	28,441,000	27,810,000
Accumulated Amortization	(15,484,000)	(12,797,000)
Net Carrying Amount	$ 12,957,000	$ 15,013,000
Patents
Intangible assets
Amortization period	5 years