Identifiable Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2020

Goodwill [Line Items]

Schedule of Goodwill [Table Text Block]

Changes in the carrying amount of goodwill were as follows:

	September 30,
	2020		2019
	(in millions)
Balance at beginning of year	$	95.7	$	12.1
Acquisition of Krausz	0.3		80.1
Change in foreign currency exchange rates	3.8		3.5
Balance at end of year	$	99.8	$	95.7

Schedule of Intangible Assets and Goodwill [Table Text Block]

Intangible assets are presented below.

	September 30,
	2020		2019
	(in millions)
Capitalized internal-use software:
Cost	$	31.5	$	30.2
Accumulated amortization	(20.8)		(17.5)
Net book value	10.7		12.7
Business combination-related:
Cost:
Finite-lived intangible assets:
Technology	118.5		116.6
Customer relationships and other	370.2		370.0
Indefinite-lived intangible assets:
Trade names and trademarks	271.6		271.4
	760.4		758.0
Accumulated amortization:
Technology	(81.0)		(76.4)
Customer relationships and other	(281.2)		(260.6)
	(362.2)		(337.0)
Net book value	398.2		421.0
Total intangible assets net book value	$	408.9	$	433.7