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Identifiable Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2021

Goodwill [Line Items]

Schedule of Goodwill [Table Text Block]

Changes in the carrying amount of goodwill were as follows:

			September 30,
			2021						2020
			(in millions)
Balance at beginning of year			$	99.8					$	95.7
Acquisition of Krausz			—						0.3
Acquisition of i2O Water Ltd			12.1						—
Change in foreign currency exchange rates			3.2						3.8
Balance at end of year			$	115.1					$	99.8

Schedule of Intangible Assets and Goodwill [Table Text Block]

Intangible assets are presented below.

			September 30,
			2021						2020
			(in millions)
Capitalized internal-use software:
Cost			$	34.1					$	31.5
Accumulated amortization			(24.1)						(20.8)
Capitalized internal-use software, net			$	10.0					$	10.7
Business combination-related:
Cost:
Finite-lived intangible assets:
Technology			123.5						118.5
Customer relationships and other			373.0						370.2
Indefinite-lived intangible assets:
Trade names and trademarks			273.8						271.6
			$	770.3					$	760.4
Accumulated amortization:
Technology			(85.8)						(81.0)
Customer relationships and other			(302.0)						(281.2)
			(387.8)						(362.2)
Business combination-related intangible assets, net			382.5						398.2
Intangible assets, net			$	392.5					$	408.9

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

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267

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X

- Definition

Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

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