v2.4.0.6
OTHER ASSETS, NET (Details 2) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Jan. 31, 2012
OTHER ASSETS, NET        
Deferred financing costs amortized as interest expense $ 3.6 $ 3.6 $ 4.3  
Proceeds from sale of on-site air separation unit       18
Gain on sale of on-site separation unit       17.4
On-site air separation unit   $ 0.6