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Receivables, Net - Receivables, Net (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2013
Dec. 31, 2011
Dec. 31, 2010
Receivables [Abstract]        
Trade accounts receivable $ 403.3 $ 463.9    
Notes receivable 5.6 6.3    
Other 44.3 39.1    
Receivables, gross 453.2 509.3    
Less: allowance for doubtful accounts 12.9 12.6 12.9 12.6
Receivables, net 440.3 496.7    
Reclassification of receivables related to progress billings $ 6.4