Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Dec. 31, 2020

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

Changes in accumulated other comprehensive loss attributable to Rockwell Automation by component were (in millions):

Three Months Ended December 31, 2020
	Pension and other postretirement benefit plan adjustments, net of tax		Accumulated currency translation adjustments, net of tax		Net unrealized gains (losses) on cash flow hedges, net of tax		Total accumulated other comprehensive loss, net of tax
Balance as of September 30, 2020	$	(1,271.2)	$	(311.5)	$	(31.5)	$	(1,614.2)
Other comprehensive income (loss) before reclassifications	—		69.1		(12.9)		56.2
Amounts reclassified from accumulated other comprehensive loss	27.6		—		3.1		30.7
Other comprehensive income (loss)	27.6		69.1		(9.8)		86.9
Balance as of December 31, 2020	$	(1,243.6)	$	(242.4)	$	(41.3)	$	(1,527.3)

Three Months Ended December 31, 2019
	Pension and other postretirement benefit plan adjustments, net of tax		Accumulated currency translation adjustments, net of tax		Net unrealized gains (losses) on cash flow hedges, net of tax		Total accumulated other comprehensive loss, net of tax
Balance as of September 30, 2019	$	(1,133.7)	$	(341.3)	$	(13.0)	(1,488.0)
Other comprehensive income (loss) before reclassifications	—		21.8		0.9		22.7
Amounts reclassified from accumulated other comprehensive loss	27.4		—		(3.4)		24.0
Other comprehensive income (loss)	27.4		21.8		(2.5)		46.7
Adoption of accounting standard/other	(146.8)		3.8		—		(143.0)
Balance as of December 31, 2019	$	(1,253.1)	$	(315.7)	$	(15.5)	$	(1,584.3)

Reclassification out of Accumulated Other Comprehensive Income

The reclassifications out of accumulated other comprehensive loss in the Consolidated Statement of Operations were (in millions):

	Three Months Ended December 31,				Affected Line in the Consolidated Statement of Operations
	2020		2019
Pension and other postretirement benefit plan adjustments(1):
Amortization of prior service credit	$	(1.0)	$	(1.2)	Other income (expense)
Amortization of net actuarial loss	37.0		37.2		Other income (expense)
Settlements	(0.2)		(0.7)		Other income (expense)
	35.8		35.3		Income before income taxes
	(8.2)		(7.9)		Income tax provision
	$	27.6	$	27.4	Net income attributable to Rockwell Automation
Net unrealized losses (gains) on cash flow hedges:
Forward exchange contracts	$	(0.5)	$	(0.1)	Sales
Forward exchange contracts	4.7		(5.0)		Cost of sales
Forward exchange contracts	(0.4)		0.1		Selling, general and administrative expenses
Treasury locks related to 2019 debt issuance	0.5		0.5		Interest expense
	4.3		(4.5)		Income before income taxes
	(1.2)		1.1		Income tax provision
	$	3.1	$	(3.4)	Net income attributable to Rockwell Automation
Total reclassifications	$	30.7	$	24.0	Net income attributable to Rockwell Automation

(1) These components are included in the computation of net periodic benefit cost (credit). See Note 10 for further information.