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Summary of Significant Accounting Policies - Topic 606 (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
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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) |

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