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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13531-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13537-108611

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Reportable Segments and Major Concentration Data - Consolidated Net Revenues (Detail) - Revenues [Member] - Segment Level [Member]	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Customer A [Member] \| Diagnostics [Member]
Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]
Concentration percentage	10.00%	13.00%	11.00%	11.00%
Customer B [Member] \| Diagnostics [Member]
Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]
Concentration percentage	11.00%	8.00%	10.00%	13.00%
Customer C [Member] \| Diagnostics [Member]
Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]
Concentration percentage	14.00%	5.00%	12.00%	5.00%
Customer D [Member] \| Life Science [Member]
Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]
Concentration percentage	3.00%	23.00%	4.00%	17.00%
Customer E [Member] \| Life Science [Member]
Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]
Concentration percentage	4.00%	14.00%	12.00%	11.00%