Organization Restructuring Rollforward (Tables)

6 Months Ended

Mar. 31, 2021

Restructuring Cost and Reserve [Line Items]

Restructuring and Related Costs [Table Text Block]

Activity in accrued restructuring, reported as part of other current liabilities, is presented below.

	Six months ended
	March 31,
	2021		2020
	(in millions)
Beginning balance	$	2.8	$	1.7
Expenses incurred	1.0		1.6
Amounts paid	(1.6)		(2.7)
Ending balance	$	2.2	$	0.6