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Percentage of Accounts Receivable by Significant Customers (Detail) - Customer Concentration Risk - Accounts Receivable	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
GE Healthcare
Concentration Risk [Line Items]
Accounts receivable, percentage by customer	23.00%	29.00%
Bioprocessing Customer B
Concentration Risk [Line Items]
Accounts receivable, percentage by customer	15.00%
Bioprocessing Customer C
Concentration Risk [Line Items]
Accounts receivable, percentage by customer	12.00%

X

- 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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- 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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