Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v3.3.1.900
Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax [Line Items]      
Unrealized excess tax benefits $ 25.4 $ 23.6  
Tax loss and credit carryforwards of certain foreign subsidiaries 121.4 88.7  
Amount of tax loss and credit carryforwards that will expire between 2016 and 2025 100.2    
Amount of tax loss and credit carryforwards that can be carried forward indefinitely 21.2    
Domestic foreign tax credit carryforwards 76.7 51.2  
Valuation allowance 121.3 330.0  
Valuation allowance, deferred tax asset, change in amount 208.7 82.4 $ 38.3
(Reductions) Additions charged to income tax expenses (205.6) 85.7 36.7
Other comprehensive income (loss), foreign currency translation gain (loss) arising during period, tax 3.1 (3.3) 1.6
Unremitted earnings that were permanently reinvested relating to operating subsidiaries 2,300.0    
Deferred tax asset on unremitted foreign earnings $ 6.4 1.0  
Effective tax rate applied 35.00%    
Total amount of unrecognized tax benefits, including related interest and penalties $ 58.0 47.2 34.6
Unrecognized tax benefits excluding interest and penalties that if recognized would affect the effective tax rate 44.1 38.0  
Total accrued interest for tax contingencies 7.1 5.5  
Total accrued penalties for tax contingencies 1.5 1.1  
Increase in interest expense related to uncertain tax positions 2.0 1.9  
Increase in penalties to uncertain tax positions 0.6 $ 0.3  
Reversal in interest expense related to uncertain tax positions     1.6
Reversal in penalty expense related to uncertain tax positions     $ 0.7
Amount of unrecognized tax benefits that could decrease within the next 12 months 13.1    
Decrease in unrecognized tax benefits due to the settlement of audits or resolution of administrative or judicial proceedings 5.4    
Decrease in unrecognized tax benefits expiration of statute of limitations $ 7.7    
Earliest Tax Year [Member]      
Income Tax [Line Items]      
Open tax years by major tax jurisdiction 2010    
United States [Member]      
Income Tax [Line Items]      
Unremitted earnings that were permanently reinvested $ 120.6    
Carryforwards expiring in 2021 [Member]      
Income Tax [Line Items]      
Expiration date of tax credit carryforwards Dec. 31, 2021    
Carryforwards expiring in 2025 [Member]      
Income Tax [Line Items]      
Expiration date of tax credit carryforwards Dec. 31, 2025    
Carryforwards expiring in 2024 [Member]      
Income Tax [Line Items]      
Expiration date of tax credit carryforwards Dec. 31, 2024