XML 121 R105.htm IDEA: XBRL DOCUMENT v3.3.1.900
Derivatives - Narrative (Detail) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Mar. 20, 2014
Mar. 13, 2012
Apr. 09, 2010
Mar. 31, 2012
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Derivative [Line Items]              
Repayment of Debt         $ 272.7 $ 811.5 $ 830.4
Fair Value Hedging              
Derivative [Line Items]              
Reduction to interest expense         2.0 3.8 $ 8.7
8.25% Senior Notes Due March 15, 2019              
Derivative [Line Items]              
Derivative, inception date   Mar. 13, 2012          
Senior notes   $ 450.0     $ 238.9 $ 238.9  
Interest rate 8.25% 8.25%     8.25% 8.25%  
Maturity date Mar. 15, 2019 Mar. 15, 2019     Mar. 15, 2019    
Repayment of Debt $ 211.1         $ 211.1  
4.95% Senior Notes Due April 1, 2014              
Derivative [Line Items]              
Derivative, inception date     Apr. 09, 2010        
Interest rate     4.95% 4.95% 4.95%    
Maturity date     Apr. 01, 2014 Apr. 01, 2014 Apr. 01, 2014    
Repayment of Debt       $ 341.8 $ 258.2    
Interest Rate Swap              
Derivative [Line Items]              
Terminated portion of interest rate swap agreement, notional amount       342.0   210.0  
Payment for termination of interest rate swaps           4.2  
Proceeds from termination of interest rate swaps       $ 11.0      
Not Designated as Hedging Instrument | Foreign Exchange Contract              
Derivative [Line Items]              
Aggregate notional value         $ 268.4 377.2  
Designated Fair Value Hedges | Interest Rate Swap              
Derivative [Line Items]              
Aggregate notional value   $ 400.0 $ 600.0     $ 190.0