Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Dec. 31, 2023

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of changes in accumulated other comprehensive income (loss) by component

The following tables summarize the changes in the accumulated balances for each component of accumulated other comprehensive loss:

	Pension and Postretirement		Currency Translation (1)		Net Unrealized (Loss) Gain on Derivative Instruments		Total Attributable to Hillenbrand, Inc.		Noncontrolling Interests		Total
Balance at September 30, 2023	$	(34.5)	$	(107.1)	$	(5.5)	$	(147.1)
Other comprehensive income before reclassifications:
Before tax amount	(0.4)		49.3		0.3		49.2		$	—	$	49.2
Tax benefit	0.2		—		(0.1)		0.1		—		0.1
After tax amount	(0.2)		49.3		0.2		49.3		—		49.3
Amounts reclassified from accumulated other comprehensive loss (2)	6.2		—		0.7		6.9		—		6.9
Net current period other comprehensive income	6.0		49.3		0.9		56.2		$	—	$	56.2
Balance at December 31, 2023	$	(28.5)	$	(57.8)	$	(4.6)	$	(90.9)

(1)Includes gain and losses on intra-entity foreign currency transactions that are of a long-term investment nature.

(2)Amounts are net of tax.

	Pension and Postretirement		Currency Translation (1)		Net Unrealized (Loss) Gain on Derivative Instruments		Total Attributable to Hillenbrand, Inc.		Noncontrolling Interests		Total
Balance at September 30, 2022	$	(32.8)	$	(113.7)	$	(9.1)	$	(155.6)
Other comprehensive income (loss) before reclassifications:
Before tax amount	—		43.2		4.7		47.9		$	(0.2)	$	47.7
Tax expense	—		—		(1.3)		(1.3)		—		(1.3)
After tax amount	—		43.2		3.4		46.6		(0.2)		46.4
Amounts reclassified from accumulated other comprehensive loss (2)	(0.2)		—		0.3		0.1		—		0.1
Net current period other comprehensive (loss) income	(0.2)		43.2		3.7		46.7		$	(0.2)	$	46.5
Balance at December 31, 2022	$	(33.0)	$	(70.5)	$	(5.4)	$	(108.9)

(1)Includes gains and losses on intra-foreign currency transactions that are of a long-term investment nature.

(2)Amounts are net of tax.

Schedule of reclassifications of AOCI

Reclassifications out of accumulated other comprehensive loss include: 

	Three Months Ended December 31, 2023
	Amortization of Pension and Postretirement (1)				(Gain) Loss on
	Net Loss Recognized		Prior Service Costs Recognized		Derivative Instruments		Total
Affected Line in the Consolidated Statement of Operations:
Net revenue	$	—	$	—	$	(0.1)	$	(0.1)
Cost of goods sold	—		—		0.3		0.3
Operating expenses	8.2		—		0.5		8.7
Total before tax	$	8.2	$	—	$	0.7	$	8.9
Tax expense							(2.0)
Total reclassifications for the period, net of tax							$	6.9

(1)These accumulated other comprehensive loss components are included in the computation of net periodic pension (benefit) cost (see Note 10).

	Three Months Ended December 31, 2022
	Amortization of Pension and Postretirement (1)				(Gain) Loss on
	Net Gain Recognized		Prior Service Costs Recognized		Derivative Instruments		Total
Affected Line in the Consolidated Statement of Operations:
Net revenue	$	—	$	—	$	(0.1)	$	(0.1)
Cost of goods sold	—		—		(0.1)		(0.1)
Operating expenses	(0.1)		—		0.5		0.4
Total before tax	$	(0.1)	$	—	$	0.3	$	0.2
Tax expense							(0.1)
Total reclassifications for the period, net of tax							$	0.1

(1)These accumulated other comprehensive loss components are included in the computation of net periodic pension (benefit) cost (see Note 10).