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Segment Information
12 Months Ended
Dec. 26, 2020
Segment Reporting [Abstract]  
Segment Information Segment Information
    Operating segments are defined as components of an enterprise about which separate financial information is available that is evaluated regularly by the chief operating decision maker, or decision making group, in deciding how to allocate resources and in assessing performance. The Company’s chief operating decision maker is the Company’s Chief Executive Officer (“CEO”). The Company’s CEO reviews financial information presented on a consolidated basis, accompanied by information about revenue by geographic region for purposes of allocating resources and evaluating financial performance. The Company has one business activity as a provider of optical transport networking equipment, software and services. Accordingly, the Company is considered to be in a single reporting segment and operating unit structure.
Revenue by geographic region is based on the shipping address of the customer. For more information regarding revenue disaggregated by geography, see Note 4, “Revenue Recognition” to the Notes to Consolidated Financial Statements.
Additionally, the following table sets forth long-lived assets by geographic region (in thousands):
December 26, 2020December 28,
2019
United States$127,691 $118,656 
Other Americas2,668 2,798 
Europe, Middle East and Africa18,605 21,536 
Asia Pacific and Japan4,169 7,803 
Total property, plant and equipment, net$153,133 $150,793