XML 83 R61.htm IDEA: XBRL DOCUMENT v3.6.0.2
Stock Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Shares Authorized 7,400,000    
Tax Benefit from Compensation Expense $ 1.8 $ 3.1 $ 3.3
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]      
Minimum payout range 0.00%    
Maximum payout range 200.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Total Compensation Cost Not yet Recognized $ 8.2    
Performance Units Related to Earnings Per Share [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted 94,735 88,156 73,037
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 26.64 $ 33.99 $ 34.81
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 221,350 241,470  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted 94,735 88,156 73,037
Equity Instruments Other than Options, Converted in Period (109,445)    
Equity Instruments Other than Options, Forfeited in Period (5,410)    
Awards Other than Options, Fully Vested 61,742    
Equity Instruments Other than Options, Converted, Aggregrate Intrinsic Value [1] $ 0.0    
Equity Instruments Other than Options, Vested in Period, Aggregate Intrinsic Value 0.0    
Equity Instruments Other than Options, Outstanding, Aggregrate Intrinsic Value 1.9    
Equity Instruments Other than Options, Fully Vested, Aggregrate Intrinsic Value $ 5.1    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Equity Instruments Other than Options, Nonvested, Number, Beginning Balance 132,316    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted 94,735 88,156 73,037
Equity Instruments Other Than Options, Modification [2] (291)    
Equity Instruments Other than Options, Vested in Period (61,742)    
Equity Instruments Other than Options, Forfeited in Period (5,410)    
Equity Instruments Other than Options, Nonvested, Number, Ending Balance 159,608 132,316  
Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 29.71 $ 34.30  
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value 26.64 $ 33.99 $ 34.81
Equity Instruments Other than Options, Modifications in Period, Weighted Average Grant Date Fair Value 33.01    
Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value 34.83    
Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 31.95    
Awards Other than Options, Vested and Expected to Vest, Outstanding [2] 158,975    
Equity Instruments Other than Options, Expected to Vest, Intrinsic Value $ 0.0    
Fair Value of Vested Performance Units and Restricted Stock 0.0 $ 0.0 $ 3.8
Total Compensation Cost Not yet Recognized $ 2.3    
Total Compensation Cost Not yet Recognized, Period for Recognition 1 year 7 months 17 days    
Total Shareholder Return [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted 284,211 264,454 219,106
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 20.97 $ 31.02 $ 34.80
Expected Dividend Rate 3.50% 2.60% 2.50%
Expected Volatility Rate 19.80% 16.90% 20.00%
Risk Free Interest Rate 0.88% 0.91% 0.67%
Expected Term 2 years 10 months 2 days 2 years 10 months 6 days 2 years 10 months 10 days
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 664,045 724,058  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted 284,211 264,454 219,106
Equity Instruments Other than Options, Converted in Period (327,988)    
Equity Instruments Other than Options, Forfeited in Period (16,236)    
Awards Other than Options, Fully Vested 185,214    
Equity Instruments Other than Options, Converted, Aggregrate Intrinsic Value [1] $ 0.0    
Equity Instruments Other than Options, Vested in Period, Aggregate Intrinsic Value 0.0    
Equity Instruments Other than Options, Outstanding, Aggregrate Intrinsic Value 17.3    
Equity Instruments Other than Options, Fully Vested, Aggregrate Intrinsic Value $ 15.3    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Equity Instruments Other than Options, Nonvested, Number, Beginning Balance 396,943    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted 284,211 264,454 219,106
Equity Instruments Other Than Options, Modification [2] (873)    
Equity Instruments Other than Options, Vested in Period (185,214)    
Equity Instruments Other than Options, Forfeited in Period (16,236)    
Equity Instruments Other than Options, Nonvested, Number, Ending Balance 478,831 396,943  
Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 25.16 $ 32.83  
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value 20.97 $ 31.02 $ 34.80
Equity Instruments Other than Options, Modifications in Period, Weighted Average Grant Date Fair Value 33.01    
Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value 34.82    
Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 28.89    
Awards Other than Options, Vested and Expected to Vest, Outstanding [2] 476,920    
Equity Instruments Other than Options, Expected to Vest, Intrinsic Value   $ 0.0  
Fair Value of Vested Performance Units and Restricted Stock $ 6.4 8.5 $ 9.5
Total Compensation Cost Not yet Recognized $ 5.8    
Total Compensation Cost Not yet Recognized, Period for Recognition 1 year 7 months 2 days    
Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation Expense $ 4.5 8.3 12.0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Total Compensation Cost Not yet Recognized 8.1    
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation Expense $ 0.1 $ 0.1 $ 0.0
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted 1,881 958 7,037
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 29.27 $ 26.11 $ 35.71
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 4,912 7,623  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted 1,881 958 7,037
Equity Instruments Other than Options, Forfeited in Period (268)    
Equity Instruments Other than Options, Vested in Period, Aggregate Intrinsic Value $ 0.1    
Equity Instruments Other than Options, Outstanding, Aggregrate Intrinsic Value $ 0.2    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Equity Instruments Other than Options, Nonvested, Number, Beginning Balance 7,623    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted 1,881 958 7,037
Equity Instruments Other than Options, Vested in Period (4,324)    
Equity Instruments Other than Options, Forfeited in Period (268)    
Equity Instruments Other than Options, Nonvested, Number, Ending Balance 4,912 7,623  
Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 31.29 $ 29.68  
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value 29.27 $ 26.11 $ 35.71
Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value 32.98    
Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 37.31    
Awards Other than Options, Vested and Expected to Vest, Outstanding 4,912    
Fair Value of Vested Performance Units and Restricted Stock $ 0.1 $ 0.2 $ 0.2
Total Compensation Cost Not yet Recognized $ 0.1    
Total Compensation Cost Not yet Recognized, Period for Recognition 1 year 6 months 18 days    
Stock Compensation Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation Expense $ 4.6 8.4 12.0
Amount paid by unconsolidated affiliates 0.0 0.5 3.6
Compensation Expense, Net of Unconsolidated Affiliates 4.6 7.9 8.4
Performance Units Related to Earnings Per Share [Member] | Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation Expense 0.0 0.7 3.7
Total Shareholder Return [Member] | Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation Expense $ 4.5 $ 7.6 $ 8.3
Common Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures 2,100 82,046 494,637
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares Paid for Tax Withholding   901  
[1] These amounts represent performance units that vested at December 31, 2015 which were settled in February 2016.
[2] The intrinsic value of the performance units based on total shareholder return and earnings per share is $15.3 million