Goodwill and Intangible Assets - Textual (Details) - USD ($)	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	$ 400,000	$ 200,000	$ 1,500,000
Impairment charges	0	$ 0
Fully amortized intangible assets, retired	$ 16,100,000
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangibles estimated lives	2 years
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangibles estimated lives	15 years
4D Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 23,500,000
Intangible assets acquired, In-Process research and development	$ 1,400,000