Annual report pursuant to Section 13 and 15(d)

NATURE OF OPERATIONS AND ACCOUNTING POLICIES Impairment of 50% or Less Owned Companies Narrative (Details)

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NATURE OF OPERATIONS AND ACCOUNTING POLICIES Impairment of 50% or Less Owned Companies Narrative (Details) (Aeroleo [Member], USD $)
In Millions, unless otherwise specified
0 Months Ended 12 Months Ended
Mar. 02, 2012
Dec. 31, 2012
Aeroleo [Member]
   
Schedule of Equity Method Investments [Line Items]    
Recognized impairment charge $ 5.9 $ 5.9