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Organization and Summary of Significant Accounting Policies (Details) | 12 Months Ended
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Jan. 03, 2025 USD ($) segment product | Dec. 29, 2023 USD ($) | Dec. 30, 2022 USD ($)
Organization And Summary Of Significant Policies [Line Items] |  |  |
Asset impairment charges | $ 64,400,000 | $ 0 | $ 0
Number of business segments | segment | 1 |  |
Impairment charge on goodwill | $ 0 | 0 | 0
Other current liabilities | 95,012,000 | 108,417,000 |
Current portion included in other current liabilities | $ 25,011,000 | 25,715,000 |
Percent discount for prompt payment | 2.00% |  |
Discount expected to be earned | 100.00% |  |
Collaboration agreement percent of royalty on net sale | 3.00% |  |
Advertising expense | $ 43,500,000 | 40,000,000 | $ 41,600,000
Products Derived From Other Compounds |  |  |
Organization And Summary Of Significant Policies [Line Items] |  |  |
Number of products that entered in the commercial marketplace | product | 4 |  |
Resulting From Discovery Efforts |  |  |
Organization And Summary Of Significant Policies [Line Items] |  |  |
Number of products that entered in the commercial marketplace | product | 2 |  |
Branded Prescription Drug fee |  |  |
Organization And Summary Of Significant Policies [Line Items] |  |  |
Other current liabilities | $ 26,200,000 | $ 26,300,000 |

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