Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Additional Information (Details)

v3.22.0.1
Employee Benefit Plans - Additional Information (Details)
$ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
Employer
Plans
Members
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Jun. 30, 2021
shares
Jun. 30, 2020
shares
Jun. 30, 2019
shares
Jun. 30, 2018
shares
Jun. 30, 2015
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of active stock compensation plans | Plans 2              
Restricted stock shares 400,000              
Number of employers obligated to make contribution under multiemployer plan | Employer 140              
Number of employee increase / (decrease) under multiemployer benefit percentage (8.50%) 18.60%            
Total contributions of multi employer Plan   5.00%            
SERP                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Members of senior management | Members 13              
Restricted stock units and restricted stock awards                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Tax benefit recognized | $ $ 4.0 $ 2.5 $ 2.9          
Restricted stock units and restricted stock awards | Selling, general and administrative expenses                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Compensation expense | $ 15.0 11.7 10.8          
Restricted stock units and restricted stock awards                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Compensation expense not yet recognized | $ $ 31.3              
Total compensation cost related to non-vested options expected to be recognized over weighted average period 4 years 6 months              
401(k) plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Employer contribution | $ $ 10.4 $ 8.4 $ 8.9          
2012 Formula Plan | Class A common stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized         500,000     300,000
2012 Plan | Restricted stock units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock award vesting period 3 years              
2012 Plan | Restricted stock units | Executive officers and other key associates                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Restricted stock shares 389,000              
2012 Plan | Restricted stock awards | Board of Directors                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Restricted stock shares 23,000              
2012 Plan | Class A common stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized       8,000,000   6,000,000 4,000,000 2,000,000
2012 Formula Plan and 2004 Plan | Class A common stock | Options                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock option expiration period 10 years              
2012 Formula Plan and 2004 Plan | Class A common stock | Options | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock award vesting period 3 years              
2012 Formula Plan and 2004 Plan | Class A common stock | Restricted stock awards and restricted stock units | Minimum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock award vesting period 1 year              
2012 Formula Plan and 2004 Plan | Class A common stock | Restricted stock awards and restricted stock units | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock award vesting period 3 years