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Organization and Summary of Significant Accounting Policies (Greater Than 10% of Our Trade Receivables) (Details) - Accounts Receivable - Customer concentration risk	12 Months Ended
	Jan. 01, 2021	Jan. 03, 2020
Ipsen
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Trade receivables percent	23.00%	38.00%
Takeda
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Trade receivables percent	10.00%	2.00%
Affiliates of McKesson Corporation
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Trade receivables percent	12.00%	14.00%
Affiliates of CVS Health Corporation
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Trade receivables percent	11.00%	10.00%
Affiliates of AmerisourceBergen Corporation
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Trade receivables percent	11.00%	11.00%
Affiliates of Optum Specialty Pharmacy
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Trade receivables percent	8.00%	10.00%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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