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Segment Information and Enterprise Reporting - (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Product	$ 1,143,744	$ 936,408	$ 829,874
Percentage Of Product Revenue Based On Geographic Area By Destination	100.00%	100.00%	100.00%
Long-Lived Assets	$ 273,849	$ 219,926	$ 274,389
Concentration Risk, Long-lived Asset Geographic Area, Percentage	100.00%	100.00%	100.00%
United States (U.S.)
Revenues from External Customers and Long-Lived Assets [Line Items]
Product	$ 763,069	$ 636,371	$ 566,816
Percentage Of Product Revenue Based On Geographic Area By Destination	66.70%	68.00%	68.30%
United States (U.S.) | Reportable Geographical Components
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 238,094	$ 216,650	$ 262,373
Concentration Risk, Long-lived Asset Geographic Area, Percentage	86.90%	98.50%	95.60%
Europe, Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Product	$ 238,681	$ 183,363	$ 160,910
Percentage Of Product Revenue Based On Geographic Area By Destination	20.90%	19.60%	19.40%
Asia and Australia
Revenues from External Customers and Long-Lived Assets [Line Items]
Product	$ 103,756	$ 87,961	$ 75,534
Percentage Of Product Revenue Based On Geographic Area By Destination	9.10%	9.40%	9.10%
North and South America (excluding U.S.)
Revenues from External Customers and Long-Lived Assets [Line Items]
Product	$ 38,238	$ 28,713	$ 26,614
Percentage Of Product Revenue Based On Geographic Area By Destination	3.30%	3.00%	3.20%
International | Reportable Geographical Components
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 35,755	$ 3,276	$ 12,016
Concentration Risk, Long-lived Asset Geographic Area, Percentage	13.10%	1.50%	4.40%

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599

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