Other Intangible Assets - Future Amortization (Details) - USD ($) $ in Thousands	Dec. 30, 2018	Dec. 31, 2017
Acquired Finite-Lived Intangible Assets [Line Items]
Other intangible assets, net	$ 12,582
Patents and purchased technology
Acquired Finite-Lived Intangible Assets [Line Items]
2019	7,819
2020	4,749
Thereafter	14
Other intangible assets, net	$ 12,582	$ 25,519