v3.5.0.2
Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Net cash payments for income taxes $ 30.3 $ 63.3 $ 130.9  
Valuation allowance on certain deferred tax assets 77.5 86.6    
Subsequently recognized tax benefits that will result in an income tax benefit if realized in a future year 77.5 86.6    
Amount of unrecognized tax benefit, if recognized, would affect the effective tax rate 3.3      
Liability for interest and penalties 0.8 0.9    
Additional interest expense recognized in income tax provision related to liability for unrecognized tax benefits 0.3 0.3 0.7  
Reasonable possibility of recognition of unrecognized tax benefits during 2016 0.5      
Liability for unrecognized income tax benefits 6.7 10.0 $ 16.3 $ 18.5
Canada [Member] | Investment Tax Credit [Member] | Foreign [Member]        
Deferred tax liability related to foreign subsidiaries $ 37.5 $ 68.2