Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Disaggregation of Revenue [Line Items]
Revenue	$ 384,567	$ 325,341	$ 296,250	$ 292,707	$ 332,058	$ 200,413	$ 208,227	$ 202,681	$ 1,298,865	$ 943,379	$ 740,739
United States
Disaggregation of Revenue [Line Items]
Revenue									628,075	476,784	428,592
Other Americas
Disaggregation of Revenue [Line Items]
Revenue									93,251	44,581	20,070
Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Revenue									418,333	309,989	234,972
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue									159,206	112,025	57,105
Product
Disaggregation of Revenue [Line Items]
Revenue	307,861	253,754	226,866	223,007	249,608	167,030	175,288	171,629	1,011,488	763,555	610,535
Services
Disaggregation of Revenue [Line Items]
Revenue	$ 76,706	$ 71,587	$ 69,384	$ 69,700	$ 82,450	$ 33,383	$ 32,939	$ 31,052	287,377	179,824	130,204
Direct
Disaggregation of Revenue [Line Items]
Revenue									1,032,527	838,931	693,472
Indirect
Disaggregation of Revenue [Line Items]
Revenue									$ 266,338	$ 104,448	$ 47,267