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Summary of Significant Accounting Policies - Topic 606 (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 29, 2018
Sep. 29, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 30, 2017
Sep. 30, 2017
Jul. 01, 2017
Apr. 01, 2017
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Balance Sheet Related Disclosures [Abstract]                        
Trade accounts receivable         $ 118,532         $ 118,532    
Inventories $ 93,751       92,259       $ 93,751 92,259    
Other current assets 29,227       33,602       29,227 33,602    
Deferred costs and other contract assets 127,086       109,256       127,086 109,256    
Deferred tax assets 21,210       19,981       21,210 19,981    
Deferred tax assets 18,254       10,101       18,254 10,101    
Other assets 4,232       4,668       4,232 4,668    
Accrued and other liabilities 24,627       24,254       24,627 24,254    
Deferred revenue and other contract-related liabilities, current 33,106       32,105       33,106 32,105    
Retained earnings 931,073       737,956       931,073 737,956    
Income Statement [Abstract]                        
Product revenue                   738,242 $ 673,962  
Royalty and other revenue                   52,006 38,936  
Cost of goods sold                 283,397 268,216 234,560  
Selling, general and administrative                 289,456 276,292 254,707  
Research and development                 76,967 61,953 57,686  
Provision for income taxes                 $ 20,233 61,011 122,419  
Net income $ 46,934 $ 57,126 $ 43,853 $ 45,630 $ (7,735) $ 35,853 $ 45,138 $ 51,533   $ 124,789 $ 311,097  
Basic $ 0.88 $ 1.09 $ 0.84 $ 0.88 $ (0.15) $ 0.69 $ 0.87 $ 1.02 $ 3.70 $ 2.42 $ 6.28  
Net income per diluted share $ 0.83 $ 1.02 $ 0.79 $ 0.82 $ (0.15) $ 0.64 $ 0.80 $ 0.93 $ 3.45 $ 2.23 $ 5.85  
Statement of Cash Flows [Abstract]                        
(Benefit) provision from deferred income taxes                 $ (8,274) $ 17,276 $ 10,149  
Increase in inventories                 (1,885) (24,014) (8,955)  
Increase in other current assets                 3,843 (2,908) (4,816)  
Increase in deferred cost of goods sold                 (17,935) (14,102) (7,661)  
Increase in other assets                   (10,771) 455  
Increase (decrease) in other current liabilities                 3,923 5,282 (16,207)  
Increase (decrease) in deferred revenue and other contract liabilities                 $ 1,420 (13,295) 27,945  
As Previously Reported                        
Balance Sheet Related Disclosures [Abstract]                        
Trade accounts receivable         $ 121,309         121,309    
Inventories         95,944         95,944    
Other current assets         31,564         31,564    
Deferred costs and other contract assets         99,600         99,600    
Deferred tax assets         23,898         23,898    
Other assets         10,782         10,782    
Accrued and other liabilities         42,344         42,344    
Deferred revenue and other contract-related liabilities, current         35,929         35,929    
Retained earnings         720,842         720,842    
Income Statement [Abstract]                        
Product revenue                   741,324 663,846  
Royalty and other revenue                   56,784 30,779  
Cost of goods sold                   263,008 230,826  
Selling, general and administrative                   275,786 253,667  
Research and development                     59,362  
Provision for income taxes                   67,758 117,675  
Net income                   $ 131,616 $ 300,666  
Basic                   $ 2.55 $ 6.07  
Net income per diluted share                   $ 2.36 $ 5.65  
Statement of Cash Flows [Abstract]                        
(Benefit) provision from deferred income taxes                   $ 24,023 $ 5,405  
Increase in inventories                   (22,923) (10,831)  
Increase in other current assets                   (3,855) (3,422)  
Increase in deferred cost of goods sold                   (19,438) (8,251)  
Increase in other assets                   (10,952) (1,609)  
Increase (decrease) in other current liabilities                   11,156 (11,929)  
Increase (decrease) in deferred revenue and other contract liabilities                   (27,370) 41,977  
Adjustments                        
Balance Sheet Related Disclosures [Abstract]                        
Trade accounts receivable         (2,777)         (2,777)    
Inventories         (3,685)         (3,685)    
Other current assets         2,038         2,038    
Deferred costs and other contract assets         9,656         9,656    
Deferred tax assets         (3,917)         (3,917)    
Other assets         (6,114)         (6,114)    
Accrued and other liabilities         (18,090)         (18,090)    
Deferred revenue and other contract-related liabilities, current         (3,824)         (3,824)    
Retained earnings         $ 17,114         17,114    
Income Statement [Abstract]                        
Product revenue                   (3,082) 10,116  
Royalty and other revenue                   (4,778) 8,157  
Cost of goods sold                   5,208 3,734  
Selling, general and administrative                   506 1,040  
Research and development                     (1,676)  
Provision for income taxes                   (6,747) 4,744  
Net income                   $ (6,827) $ 10,431 $ 13,510
Basic                   $ (0.13) $ 0.21  
Net income per diluted share                   $ (0.13) $ 0.20  
Statement of Cash Flows [Abstract]                        
(Benefit) provision from deferred income taxes                   $ (6,747) $ 4,744  
Increase in inventories                   (1,091) 1,876  
Increase in other current assets                   947 (1,394)  
Increase in deferred cost of goods sold                   5,336 590  
Increase in other assets                   181 2,064  
Increase (decrease) in other current liabilities                   (5,874) (4,278)  
Increase (decrease) in deferred revenue and other contract liabilities                   $ 14,075 $ (14,032)