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Segment Reporting - Percentage of Revenue from Significant Customers (Detail) - Customer Concentration Risk - Sales Revenue	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
GE Healthcare
Revenue, Major Customer [Line Items]
Revenue from significant customers			12.00%
MilliporeSigma
Revenue, Major Customer [Line Items]
Revenue from significant customers	14.00%	11.00%	14.00%

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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- 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.

+ References

No definition available.

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