Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation and Employee Benefit Plans - Additional Information (Detail)

v3.8.0.1
Stock-Based Compensation and Employee Benefit Plans - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Mar. 29, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Feb. 17, 2017
Aug. 12, 2016
May 13, 2016
Aug. 20, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value   $ 6,600 $ 6,500 $ 16,300        
Common Stock, Shares, Outstanding   67,400,000 0          
Dual Class Sunset Class A and B Common Stock Mar. 29, 2017              
Treasury Stock, Shares, Retired 65,445,853              
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]                
Common stock, shares authorized (shares)   550,000,000 550,000,000          
Preferred Stock, Shares Authorized   25,000,000 25,000,000          
Stock Issued or Granted During Period, Share-based Compensation [Abstract]                
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options   $ 6,400            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term   1 year 10 months 24 days            
Stock based compensation expense   $ 32,668 $ 21,765 $ 19,268        
Shares issued upon settlement of bonus awards (shares)         200,000 200,000 200,000 300,000
Deferred Compensation Share-based Arrangements, Liability, Current   $ 7,100            
Class A Common Stock [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Common Stock, Shares, Outstanding   0 58,363,482          
Treasury Stock, Shares, Retired 58,876,053              
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]                
Common stock, shares authorized (shares)   441,124,000 500,000,000          
Class B Common Stock [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Common Stock, Shares, Outstanding   0 6,668,380          
Treasury Stock, Shares, Retired 6,569,800              
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]                
Common stock, shares authorized (shares)   493,430,000 500,000,000          
Common Stock [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Common Stock, Shares, Outstanding   67,400,000            
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]                
Common stock, shares authorized (shares)   550,000,000            
Equity Incentive Plan [Member]                
Stock Issued or Granted During Period, Share-based Compensation [Abstract]                
Vesting period for new restricted stock units   4 years            
Term of option granted, minimum   7 years            
Term of option granted, maximum   10 years            
Common Stock Capital Shares Reserved For Future Issuance Period Increase Decrease   2,583,311            
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum   4.00%            
Employee Stock Purchase Plan [Member]                
Stock Issued or Granted During Period, Share-based Compensation [Abstract]                
Contribution of earnings by employees   15.00%            
Percentage of purchase of common stock   85.00%            
Percentage of common stock on the date of purchase   85.00%            
Common Stock Capital Shares Reserved For Future Issuance Period Increase Decrease   968,741            
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum   1.25%            
MaximumDurationOfEmployeeStockPurchasePlan   27 months            
RSU and RSA [Member]                
Stock Issued or Granted During Period, Share-based Compensation [Abstract]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term   2 years 6 months            
Portion of equity awards that have not been vested or earned   $ 52,900            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value   $ 27.11            
RSUs granted in period (shares)   1,514,000            
Stock Option [Member]                
Stock Issued or Granted During Period, Share-based Compensation [Abstract]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term   2 years 6 months 15 days            
Scenario, Adjustment [Member]                
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]                
Common stock, shares authorized (shares) 1,509,554,147              
Scenario, Previously Reported [Member]                
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]                
Common stock, shares authorized (shares) 1,575,000,000