Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation and Employee Benefit Plans - Expense by Type (Detail)

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Stock-Based Compensation and Employee Benefit Plans - Expense by Type (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 29, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Feb. 22, 2019
Feb. 28, 2018
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]            
Treasury Stock, Shares, Retired 65,445,853          
Shares Issued upon Settlement of Executive Bonus Plan         300,000 300,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term   2 years 3 months 18 days        
Common stock, shares authorized (shares)   550,000,000 550,000,000      
Proceeds from Stock Options Exercised   $ 4,500 $ 700 $ 7,900    
Stock based compensation   $ 32,060 $ 31,721 32,668    
Preferred Stock, Shares Authorized   25,000,000 25,000,000      
Cost of Sales [Member]            
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]            
Stock based compensation   $ 577 $ 489 332    
Research and Development Expense [Member]            
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]            
Stock based compensation   16,545 17,953 16,190    
Selling, general and administrative [Member]            
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]            
Stock based compensation   14,938 13,279 11,016    
Restructuring Charges [Member]            
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]            
Stock based compensation   $ 0 $ 0 $ 5,130    
Performance Shares [Member]            
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term   1 year 7 months 6 days        
Prior [Member]            
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]            
Common stock, shares authorized (shares) 1,575,000,000          
Subsequent [Member]            
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]            
Common stock, shares authorized (shares) 1,509,554,147          
Common Class A [Member]            
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]            
Treasury Stock, Shares, Retired 58,876,053          
Common stock, shares authorized (shares)   441,123,947        
Common Class B [Member]            
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]            
Treasury Stock, Shares, Retired 6,569,800          
Common stock, shares authorized (shares)   493,430,200        
Common Stock [Member]            
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]            
Common stock, shares authorized (shares)   550,000,000