Supplemental Information (Tables)

12 Months Ended

Sep. 30, 2017

Supplemental Balance Sheet Information [Abstract]

Payables and Accrued Liabilities

	September 30,
(In millions)	2017		2016
Payables and Accrued Liabilities
Trade creditors	$	56.0	$	41.6
Customer advances	5.3		4.0
Accrued payroll and employee benefits	41.2		33.9
Other costs associated with business separation, restructuring and cost reduction actions	7.9		0.6
Derivatives	1.5		—
Other	8.9		5.7
	$	120.8	$	85.8