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Organization and Summary of Significant Accounting Policies (Details) $ in Thousands	3 Months Ended
	Mar. 29, 2019 USD ($) segment product	Mar. 30, 2018 USD ($)
Organization And Summary Of Significant Policies [Line Items]
Number of products that entered in the commercial marketplace	4
Number of business segments | segment	1
Selling, general and administrative | $	$ 60,138	$ 54,016
Restatement Adjustment
Organization And Summary Of Significant Policies [Line Items]
Selling, general and administrative | $		$ (1,400)
Commercial Presence in Markets Worldwide
Organization And Summary Of Significant Policies [Line Items]
Number of products that entered in the commercial marketplace	3
Products Derived from Cabozantinib
Organization And Summary Of Significant Policies [Line Items]
Number of products that entered in the commercial marketplace	2

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Number of Products in Commercial Market

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Organization And Summary Of Significant Policies [Line Items]

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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