GOODWILL AND INTANGIBLE ASSETS - SUMMARY OF ACQUIRED AMORTIZABLE INTANGIBLE ASSETS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 53.7
Weighted average amortization period (in years)	14 years 10 months 22 days
Customer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	37.6
Weighted average amortization period (in years)	17 years 9 months 1 day
Patents, licenses and technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	9.8
Weighted average amortization period (in years)	8 years 4 months 12 days
Non-compete agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	4.2
Weighted average amortization period (in years)	5 years
Trade names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 2.1
Weighted average amortization period (in years)	13 years 11 months 1 day