Estimated Amortization Expense (Details) - USD ($) $ in Thousands	Sep. 27, 2019	Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]
2019 (remainder of year)	$ 6,916
2020	24,299
2021	24,203
2022	21,830
2023	19,056
Thereafter	58,747
Amortizable intangible assets, net carrying amount	155,051	$ 129,893
Cost of Revenue
Finite Lived Intangible Assets [Line Items]
2019 (remainder of year)	2,856
2020	10,697
2021	10,896
2022	9,320
2023	8,176
Thereafter	20,124
Amortizable intangible assets, net carrying amount	62,069
Operating Expenses
Finite Lived Intangible Assets [Line Items]
2019 (remainder of year)	4,060
2020	13,602
2021	13,307
2022	12,510
2023	10,880
Thereafter	38,623
Amortizable intangible assets, net carrying amount	$ 92,982