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INVESTMENTS (Details 3) (USD $)
In Millions, unless otherwise specified
1 Months Ended
Mar. 31, 2014
Sep. 30, 2014
Dec. 31, 2013
Available-for-sale investments      
Cost     $ 0.4
Unrealized gains   0.6 0.4
Fair value of available-for-sale investments   0.6 0.8
Equity method investments      
Cost   12.7 14.1
Equity in losses   (2.7) (2.7)
Carrying value of equity method investments   10.0 11.4
Cost method investments      
Carrying value of cost method investments   6.7 9.7
Total investments in unconsolidated affiliates   17.3 21.9
Other-than-temporary impairment cost method investments $ 3.5