XML 85 R67.htm IDEA: XBRL DOCUMENT v3.3.1.900
Pension and Postretirement Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Plan, Cost Recognized $ 7.0 $ 6.4 $ 6.2
Curtailment gain 0.3 $ 0.0 (0.6)
Reduction to pension obligation $ 1.7   $ 10.3
Capitalized portion of defined benefit contribution percent 12.00% 8.00% 10.00%
Fair value of plan assets $ 388.4 $ 435.3  
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]      
Pension and postretirement benefit obligations (noncurrent liablity) $ 225.0 240.1  
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Allocation Percentage in US based Investments 60.00%    
Disclosure of Expected Gross Prescription Drug Subsidy Receipts [Abstract]      
2016 $ (0.5)    
2017 (0.5)    
2018 (0.5)    
2019 (0.5)    
2020 (0.4)    
Years 2021 - 2025 (1.7)    
Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Benefits Paid 47.3 41.2  
Curtailment gain 0.3 0.0 $ (0.6)
Fair value of plan assets $ 378.1 $ 424.3 399.3
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Discount rate 3.80% 3.40%  
Expected long-term rate of return 7.75% 7.75%  
Future compensation growth rate 0.00% 0.00%  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, Sales, Issuances, Settlements [Abstract]      
Balance, beginning of the year $ 0.0 $ 30.8  
Realized gains, net 0.0 3.2  
Purchases, sales, issuances and settlements, net 0.0 (34.0)  
Balance, end of the year 0.0 0.0 30.8
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]      
Accrued payroll and benefits (current liability) 2.1 2.2  
Pension and postretirement benefit obligations (noncurrent liablity) 150.3 150.8  
Total 152.4 153.0  
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]      
Service cost 0.3 1.0 2.1
Interest cost on projected benefit obligation 19.0 21.0 18.8
Expected return on plan assets (29.2) (28.1) (25.7)
Amortization of:      
Prior service cost (benefit) 0.1 0.2 0.2
Actuarial loss 24.9 17.3 22.0
Pension/postretirement costs 15.4 11.4 16.8
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract]      
2016 42.3    
2017 41.5    
2018 41.2    
2019 39.4    
2020 38.8    
Years 2021 - 2025 174.9    
Other Postretirement Benefit Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Benefits Paid 12.7 15.2  
Curtailment gain 0.0 0.0 0.0
Fair value of plan assets $ 10.3 $ 11.0 11.3
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Discount rate 3.70% 3.40%  
Expected long-term rate of return 0.00% 0.00%  
Future compensation growth rate 0.00% 0.00%  
Pension and Other Postretirement Benefit Contributions [Abstract]      
Estimated Future Employer Contributions in Next Fiscal Year $ 10.0    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, Sales, Issuances, Settlements [Abstract]      
Balance, beginning of the year 11.0 $ 11.3  
Realized gains, net 0.3 0.4  
Purchases, sales, issuances and settlements, net (1.0) (0.7)  
Balance, end of the year 10.3 11.0 11.3
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]      
Accrued payroll and benefits (current liability) 10.1 12.0  
Pension and postretirement benefit obligations (noncurrent liablity) 72.7 86.0  
Total 82.8 98.0  
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]      
Service cost 0.3 0.3 0.4
Interest cost on projected benefit obligation 3.3 4.0 4.0
Expected return on plan assets 0.0 0.0 0.0
Amortization of:      
Prior service cost (benefit) (15.4) (15.4) (14.1)
Actuarial loss 5.4 5.4 5.6
Pension/postretirement costs (6.4) (5.7) (4.1)
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract]      
2016 10.6    
2017 9.8    
2018 9.2    
2019 7.9    
2020 7.1    
Years 2021 - 2025 30.8    
Pension Plan Qualified [Member]      
Pension and Other Postretirement Benefit Contributions [Abstract]      
Pension benefit contributions 10.3 19.7 42.1
Pension Plan Non-Qualified [Member]      
Pension and Other Postretirement Benefit Contributions [Abstract]      
Pension benefit contributions 2.2 2.3 $ 2.9
Estimated Future Employer Contributions in Next Fiscal Year $ 2.0    
Equity Securities [Member]      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Target allocation percentage of assets, equity securities 65.00%    
Fixed Income Securities [Member]      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Target allocation percentage of assets, equity securities 35.00%    
Equity Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 147.8 212.3  
Equity Index Funds International [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 97.0 61.1  
Fixed Income Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 133.3 150.9  
Insurance Contract, Rights and Obligations [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 10.3 11.0  
Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 378.1 424.3  
Fair Value, Inputs, Level 1 [Member] | Equity Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 147.8 212.3  
Fair Value, Inputs, Level 1 [Member] | Equity Index Funds International [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 97.0 61.1  
Fair Value, Inputs, Level 1 [Member] | Fixed Income Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 133.3 150.9  
Fair Value, Inputs, Level 1 [Member] | Insurance Contract, Rights and Obligations [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Fair Value, Inputs, Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Fair Value, Inputs, Level 2 [Member] | Equity Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Fair Value, Inputs, Level 2 [Member] | Equity Index Funds International [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Fair Value, Inputs, Level 2 [Member] | Fixed Income Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Fair Value, Inputs, Level 2 [Member] | Insurance Contract, Rights and Obligations [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Fair Value, Inputs, Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 10.3 11.0  
Fair Value, Inputs, Level 3 [Member] | Equity Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Fair Value, Inputs, Level 3 [Member] | Equity Index Funds International [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Fair Value, Inputs, Level 3 [Member] | Fixed Income Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Fair Value, Inputs, Level 3 [Member] | Insurance Contract, Rights and Obligations [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 10.3 $ 11.0