XML 134 R101.htm IDEA: XBRL DOCUMENT v3.10.0.1
Long-term Incentive Compensation Plans - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
May 16, 2017
Dec. 31, 2018
Dec. 31, 2017
Jun. 30, 2012
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Sep. 30, 2027
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in units)         0 0    
Compensation costs not yet recognized   $ 0     $ 0      
Long-term incentive awards vesting periods         4 years      
President and CEO                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in units) 164,706              
Weighted average grant date fair value (in dollars per unit) $ 21.25              
Grant date fair value of awards $ 3,500,000              
Service requirement 4 years              
Stock Compensation Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Long-term incentive compensation charge         $ 0 $ 0 $ 200,000  
Stock Compensation Plan | Board of Directors Chairman                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in units)       2,700,000        
Weighted average grant date fair value (in dollars per unit)       $ 12.17        
Option Awards                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in units)         0   54,546  
Grant date fair value (in dollars per unit)             $ 2.75  
Total intrinsic value of options exercised         $ 8,900,000 8,300,000 $ 2,100,000  
Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in units)         9,123,321      
Weighted average grant date fair value (in dollars per unit)         $ 26.64      
Grant date fair value of vested shares         $ 169,100,000 $ 177,000,000 159,400,000  
Number of unvested restricted AB Holding Units   20,214,389 19,072,910   20,214,389 19,072,910    
Number of restricted AB Units without a service requirement   15,380,549     15,380,549      
Number of restricted AB Units with a service requirement   4,883,840     4,883,840      
Restricted Stock Units (RSUs) | Director                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Long-term incentive compensation charge         $ 1,400,000 $ 1,100,000 $ 1,100,000  
Granted (in units)         53,720 50,252 46,382  
Weighted average grant date fair value (in dollars per unit)         $ 26.90   $ 22.64  
Restricted Stock Units (RSUs) | Board of Directors Chairman                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Long-term incentive compensation charge           $ 10,200,000 $ 5,100,000  
Unrecognized compensation cost       $ 33,100,000        
Period of recognition (in years)       6 years 6 months        
Restricted Stock Units (RSUs) | President and CEO                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Long-term incentive compensation charge         $ 900,000 600,000    
Incentive Compensation Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Aggregate value awards under combined incentive plans         183,300,000 168,200,000 157,800,000  
Long-term incentive compensation charge         161,000,000 $ 172,800,000 $ 153,800,000  
Unrecognized compensation cost   $ 87,100,000     $ 87,100,000      
Period of recognition (in years)         3 years 7 months      
Incentive Compensation Plan | Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in units)   6,200,000 6,100,000   6,500,000 6,300,000 6,100,000  
Additional AB restricted units granted (in units)         300,000 200,000    
Incentive Compensation Plan | Restricted Stock Units (RSUs) | Minimum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted average grant date fair value (in dollars per unit)         $ 24.95 $ 23.00 $ 19.45  
Incentive Compensation Plan | Restricted Stock Units (RSUs) | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted average grant date fair value (in dollars per unit)         $ 26.69 $ 24.95 $ 23.20  
2017 Long Term Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Compensation plan expire date         Sep. 30, 2027      
Maximum number of awards authorized for issuance (in units)         60,000,000      
Number of newly-issued units (in units)         30,000,000      
Granted (in units)         0      
Granted AB holding unit net of forfeitures (in units)   14,352,740     14,352,740      
AB Holding units available for future grant (in units)   45,647,260     45,647,260      
Long Term Incentive Plan | Employee Stock Option | Employee | 33.3% of Options and 25% of Restricted AB Holding Units, First Anniversary Vesting Period                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Annual vesting percentage for the term of award         20.00%      
Long Term Incentive Plan | Employee Stock Option | Employee | 33.3% of Options and 25% of Restricted AB Holding Units, Second Anniversary Vesting Period                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Annual vesting percentage for the term of award         20.00%      
Long Term Incentive Plan | Employee Stock Option | Employee | 33.3% of Options and 25% of Restricted AB Holding Units, Third Anniversary Vesting Period                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Annual vesting percentage for the term of award         20.00%      
Long Term Incentive Plan | Employee Stock Option | Employee | 25% of Restricted AB Holding Units, Fourth Anniversary Vesting Period                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Annual vesting percentage for the term of award         20.00%      
Long Term Incentive Plan | Stock Compensation Plan | Director | 33.3% of Options and 25% of Restricted AB Holding Units, First Anniversary Vesting Period                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Annual vesting percentage for the term of award         33.30%      
Long Term Incentive Plan | Stock Compensation Plan | Director | 33.3% of Options and 25% of Restricted AB Holding Units, Second Anniversary Vesting Period                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Annual vesting percentage for the term of award         33.30%      
Long Term Incentive Plan | Stock Compensation Plan | Director | 33.3% of Options and 25% of Restricted AB Holding Units, Third Anniversary Vesting Period                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Annual vesting percentage for the term of award         33.30%      
Long Term Incentive Plan | Restricted Stock Units (RSUs) | Employee | 33.3% of Options and 25% of Restricted AB Holding Units, First Anniversary Vesting Period                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Annual vesting percentage for the term of award         25.00%      
Long-term incentive awards vesting periods         4 years      
Long Term Incentive Plan | Restricted Stock Units (RSUs) | Employee | 33.3% of Options and 25% of Restricted AB Holding Units, Second Anniversary Vesting Period                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Annual vesting percentage for the term of award         25.00%      
Long Term Incentive Plan | Restricted Stock Units (RSUs) | Employee | 33.3% of Options and 25% of Restricted AB Holding Units, Third Anniversary Vesting Period                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Annual vesting percentage for the term of award         25.00%      
Long Term Incentive Plan | Restricted Stock Units (RSUs) | Employee | 25% of Restricted AB Holding Units, Fourth Anniversary Vesting Period                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Annual vesting percentage for the term of award         25.00%      
Employment and Separation Agreements | Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Long-term incentive compensation charge         $ 32,200,000 $ 21,600,000 $ 11,200,000  
Granted (in units)         2,600,000 1,800,000 1,000,000  
Employment and Separation Agreements | Restricted Stock Units (RSUs) | Minimum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted average grant date fair value (in dollars per unit)         $ 25.05 $ 21.25 $ 18.67  
Long-term incentive awards vesting periods         2 years      
Employment and Separation Agreements | Restricted Stock Units (RSUs) | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted average grant date fair value (in dollars per unit)         $ 30.25 25.65 $ 25.34  
Long-term incentive awards vesting periods         5 years      
Forecast | 2017 Long Term Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Units to be granted after plan expiration               0
2017 Grant 1 | Restricted Stock Units (RSUs) | Director                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted average grant date fair value (in dollars per unit)           21.25    
2017 Grant 1 | Restricted Stock Units (RSUs) | Director | Minimum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Long-term incentive awards vesting periods         3 years      
2017 Grant 1 | Restricted Stock Units (RSUs) | Director | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Long-term incentive awards vesting periods         4 years      
2017 Grant 2 | Restricted Stock Units (RSUs) | Director                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted average grant date fair value (in dollars per unit)           $ 24.80