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Quarterly Operating Results (Unaudited) - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Oct. 01, 2017 | Jul. 02, 2017 | Apr. 02, 2017 | Dec. 31, 2016 | Oct. 02, 2016 | Jul. 03, 2016 | Apr. 03, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Quantifying Misstatement in Current Year Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Severance, restructuring, and acquisition integration costs | $ 9,900 | $ 16,700 | $ 9,600 | $ 6,600 | $ 11,700 | $ 12,800 | $ 5,900 | $ 8,400 | $ 42,790 | $ 38,770 | $ 47,170
Royalty revenues |  |  |  |  | $ 10,300 |  |  |  |  |  |
Overstatement Of Revenues [Member] |  |  |  |  |  |  |  |  |  |  |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Qualifying misstatement | 27,800 | 11,800 | 10,400 | 6,100 |  |  |  |  |  |  |
Overstatement Of Net Income [Member] |  |  |  |  |  |  |  |  |  |  |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Qualifying misstatement | $ 5,200 | $ 2,600 | $ 1,300 | $ 3,000 |  |  |  |  |  |  |

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