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Redeemable Noncontrolling Interest (Narrative) (Details) - USD ($)
$ in Millions
Oct. 01, 2012
Dec. 31, 2015
Dec. 31, 2014
Redeemable Noncontrolling Interest [Line Items]      
Redeemable noncontrolling interest   $ 18.2 $ 13.8
ProCables S.A. [Member] | Latin America [Member]      
Redeemable Noncontrolling Interest [Line Items]      
Percentage of interests acquired 60.00%    
Term after no-transfer period that shareholders may exercise 36 months    
Percentage of voting interests to be purchased 40.00%    
ProCables S.A. [Member] | Latin America [Member] | Seller [Member]      
Redeemable Noncontrolling Interest [Line Items]      
Ownership percentage by noncontrolling owners 40.00%    
Noncontrolling interest, ownership percentage by parent 40.00%