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Stock Compensation Plans and Share-Based Compensation Awards - Awards, UAR, RSA (Details)
$ / shares in Units, $ in Thousands
5 Months Ended 12 Months Ended
May 25, 2018
employee
$ / shares
May 23, 2018
USD ($)
Dec. 31, 2018
USD ($)
$ / shares
shares
Stock Compensation Plans and Share-Based Compensation Awards      
Share-based compensation expense | $     $ 55,519
Class D awards      
Stock Compensation Plans and Share-Based Compensation Awards      
Fair value (in dollars per share) $ 16.00    
Share-based compensation expense | $   $ 0 $ 42,800
Number of employees or former employees who held awards | employee 15    
Number outstanding      
Vested (in shares) | shares     (2,672,666)
RSAs      
Stock Compensation Plans and Share-Based Compensation Awards      
Fair value (in dollars per share) $ 16.00    
Share-based compensation expense | $   $ 0 $ 9,200
Number of employees or former employees who held awards | employee 35    
Number outstanding      
Granted (in shares) | shares     607,000
Vested (in shares) | shares     (564,000)
Forfeited (in shares) | shares     (1,000)
Balance at end of period (in shares) | shares     42,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]      
Granted (in dollars per share)     $ 16.00
Vested (in dollars per share)     16.00
Forfeited (in dollars per share)     16.00
Balance at end of period (in dollars per share)     $ 16.00