Estimated Amortization Expense (Details) - USD ($) $ in Thousands	Mar. 29, 2019	Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]
2019 (remainder of year)	$ 17,660
2020	20,708
2021	18,872
2022	15,957
2023	13,526
Thereafter	36,879
Amortizable intangible assets, net carrying amount	123,602	$ 129,893
Cost of Revenue
Finite Lived Intangible Assets [Line Items]
2019 (remainder of year)	6,912
2020	8,313
2021	7,397
2022	6,304
2023	5,408
Thereafter	10,800
Amortizable intangible assets, net carrying amount	45,134
Operating Expenses
Finite Lived Intangible Assets [Line Items]
2019 (remainder of year)	10,748
2020	12,395
2021	11,475
2022	9,653
2023	8,118
Thereafter	26,079
Amortizable intangible assets, net carrying amount	$ 78,468