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Net revenues (Details) - Sales Revenue, Net - Customer Concentration Risk	9 Months Ended
	Sep. 29, 2019
Hospitals And Healthcare Providers
Concentration Risk [Line Items]
Percentage of total revenue	88.00%
Other Medical Device Manufacturers
Concentration Risk [Line Items]
Percentage of total revenue	10.00%
Home Care Providers
Concentration Risk [Line Items]
Percentage of total revenue	2.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- 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.

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