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Pension and Other Postretirement Benefit Plans - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Agreement
Y
CompensationPlan
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Services completed by employees for eligibility, retiring age 55    
Accumulated benefit obligation $ 1,031.7 $ 1,151.7  
Projected benefit obligation of pension plans with accumulated benefit obligations in excess of plan assets 731.1 1,109.6  
Accumulated benefit obligation of pension plans with accumulated benefit obligations in excess of plan assets 717.5 1,095.8  
Fair value of plan assets of pension plans with accumulated benefit obligations in excess of plan assets 542.3 745.1  
Tax benefits (expense) related to defined benefit plans recognized in other comprehensive income (loss) (70.1) 2.8 19.8
Postretirement benefit obligation effect of 1% increase in the assumed rate of healthcare cost 18.5    
Net periodic postretirement benefit cost effect of 1% increase in the assumed rate of healthcare cost 1.9    
Postretirement benefit obligation effect of 1% decrease in the assumed rate of healthcare cost 15.1    
Net periodic postretirement benefit cost effect of 1% decrease in the assumed rate of healthcare cost 1.5    
Multi-employer pension plans 2    
Collective bargaining agreements Contributions to these plans are based on three collective bargaining agreements. Two of the agreements expire on July 1, 2016, and one expires on April 23, 2015.    
Number of collective bargaining agreements 3    
Collective bargaining agreements expiration date Jul. 01, 2016    
Collective bargaining agreements expiration date Apr. 23, 2015    
U.S. Pension
     
Defined Benefit Plan Disclosure [Line Items]      
Settlement (gain) loss   0.6 (0.1)
U.S. Pension | Equity Securities
     
Defined Benefit Plan Disclosure [Line Items]      
Minimum target percentage of asset allocation 50.00%    
Maximum target percentage of asset allocation 75.00%    
U.S. Pension | Debt Securities
     
Defined Benefit Plan Disclosure [Line Items]      
Minimum target percentage of asset allocation 15.00%    
Maximum target percentage of asset allocation 40.00%    
U.S. Pension | Alternative Investment Allocation
     
Defined Benefit Plan Disclosure [Line Items]      
Minimum target percentage of asset allocation 0.00%    
Maximum target percentage of asset allocation 30.00%    
U.S. Pension | Cash and other
     
Defined Benefit Plan Disclosure [Line Items]      
Minimum target percentage of asset allocation 0.00%    
Maximum target percentage of asset allocation 10.00%    
Foreign Pension
     
Defined Benefit Plan Disclosure [Line Items]      
Settlement (gain) loss 2.5   17.1
Foreign Pension | Equity Securities
     
Defined Benefit Plan Disclosure [Line Items]      
Minimum target percentage of asset allocation 45.00%    
Maximum target percentage of asset allocation 65.00%    
Foreign Pension | Debt Securities
     
Defined Benefit Plan Disclosure [Line Items]      
Minimum target percentage of asset allocation 30.00%    
Maximum target percentage of asset allocation 40.00%    
Foreign Pension | Alternative Investment Allocation
     
Defined Benefit Plan Disclosure [Line Items]      
Minimum target percentage of asset allocation 0.00%    
Maximum target percentage of asset allocation 20.00%    
Foreign Pension | Cash and other
     
Defined Benefit Plan Disclosure [Line Items]      
Minimum target percentage of asset allocation 0.00%    
Maximum target percentage of asset allocation 10.00%    
Pension Plans, Defined Benefit | Minimum
     
Defined Benefit Plan Disclosure [Line Items]      
Estimated employer's contribution towards defined benefit plan in 2014 20    
Pension Plans, Defined Benefit | Maximum
     
Defined Benefit Plan Disclosure [Line Items]      
Estimated employer's contribution towards defined benefit plan in 2014 25    
Defined Contribution Pension Plan
     
Defined Benefit Plan Disclosure [Line Items]      
Defined contribution expense 11.1 7.6 7.4
Defined Contribution Retirement Program
     
Defined Benefit Plan Disclosure [Line Items]      
Defined contribution expense 16.4 13.4 14.8
U.S. Other Postretirement
     
Defined Benefit Plan Disclosure [Line Items]      
Settlement (gain) loss   (5.4)  
Healthcare costs trend rate assumed in 2013 7.60%    
Healthcare costs trend rate grading down over time 4.50%    
Years that reaches ultimate trend rate 2021    
Foreign Other Postretirement
     
Defined Benefit Plan Disclosure [Line Items]      
Settlement (gain) loss $ (5.9)    
Healthcare costs trend rate assumed in 2013 5.80%    
Healthcare costs trend rate grading down over time 4.50%    
Years that reaches ultimate trend rate 2031