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