Estimated Amortization Expense (Details) - USD ($) $ in Thousands	Jun. 28, 2019	Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]
2019 (remainder of year)	$ 12,591
2020	23,553
2021	22,644
2022	19,337
2023	16,454
Thereafter	45,169
Amortizable intangible assets, net carrying amount	139,748	$ 129,893
Cost of Revenue
Finite Lived Intangible Assets [Line Items]
2019 (remainder of year)	5,052
2020	9,775
2021	9,798
2022	8,223
2023	7,031
Thereafter	14,240
Amortizable intangible assets, net carrying amount	54,119
Operating Expenses
Finite Lived Intangible Assets [Line Items]
2019 (remainder of year)	7,539
2020	13,778
2021	12,846
2022	11,114
2023	9,423
Thereafter	30,929
Amortizable intangible assets, net carrying amount	$ 85,629