XML 118 R103.htm IDEA: XBRL DOCUMENT v3.6.0.2
Share-Based Compensation (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance achievement rate 120.00%    
Vesting period, years (maximum) 3 years    
Share-based compensation expense $ 28,288,000 $ 23,761,000 $ 44,300,000
Excess tax benefit realized for the tax deductions of share-based arrangements 782,000 3,328,000 1,596,000
Supervisory Board Members      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense 0    
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total intrinsic value of options exercised $ 3,200,000 $ 7,000,000 $ 6,380,000
Number of shares exercisable, ending balance (in shares) 1,439,000 1,700,000 2,100,000
Weighted average exercise price exercisable, ending balance (dollars per share) $ 19.84 $ 19.27 $ 18.10
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized share-based compensation expense related to employee stock option awards $ 76,500,000    
Unrecognized share-based compensation expense recognized weighted average period, years 2 years 5 months 12 days    
Pre-vesting forfeitures percentage 6.50%    
Weighted-average grant date fair value of restricted stock units granted (dollars per share) $ 23.81 $ 24.91 $ 22.73
Total fair value of restricted stock units $ 27,400,000 $ 28,700,000 $ 34,100,000
Certain Grants, Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period, years (maximum) 10 years    
The 2005 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common shares reserved and available for issuance under the plan (in shares) 0    
The 2014 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common shares reserved and available for issuance under the plan (in shares) 17,900,000    
Vesting period, years (maximum) 10 years    
Minimum | Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period, years (maximum) 3 years    
Maximum | Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period, years (maximum) 5 years    
Forfeitures of Share-Base Compensation      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense $ (2,000,000)