LONG-LIVED ASSETS LONG-LIVED ASSETS - Other Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 18.3	$ 20.2
Indefinite-lived intangible assets zero amortization	0.0	0.0
Finite-Lived Intangible Assets, Gross	139.6	138.3
Finite-Lived Intangible Assets, Accumulated Amortization	(107.4)	(103.6)
Finite-Lived Intangible Assets, Net	32.2	34.7
Intangible Assets, Gross (Excluding Goodwill)	157.9	158.5
Computer Software, Intangible Asset [Member]
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	138.1	136.7
Finite-Lived Intangible Assets, Accumulated Amortization	(106.8)	(103.0)
Finite-Lived Intangible Assets, Net	31.3	33.7
Customer Relationships [Member]
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	1.5	1.6
Finite-Lived Intangible Assets, Accumulated Amortization	(0.6)	(0.6)
Finite-Lived Intangible Assets, Net	0.9	1.0
Trademarks [Member]
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	15.3	16.9
Indefinite-lived intangible assets zero amortization	0.0	0.0
Noncompete Agreements [Member]
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	3.0	3.3
Indefinite-lived intangible assets zero amortization	$ 0.0	$ 0.0