Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Sep. 30, 2023

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

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

The following table summarize the changes in the accumulated balances for each component of accumulated other comprehensive loss during the year ended September 30, 2023:

	Pension and Postretirement		Currency Translation (1)		Net Unrealized Gain (Loss) 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	0.2		6.6		3.5		10.3		$	(0.1)	$	10.2
Tax benefit	(0.6)		—		(0.9)		(1.5)				(1.5)
After tax amount	(0.4)		6.6		2.6		8.8		(0.1)		8.7
Amounts reclassified from accumulated other comprehensive loss (2)	(1.3)		—		1.0		(0.3)		—		(0.3)
Net current period other comprehensive (loss) income	(1.7)		6.6		3.6		8.5		$	(0.1)	$	8.4
Balance at September 30, 2023	$	(34.5)	$	(107.1)	$	(5.5)	$	(147.1)

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

(2)  Amounts are net of tax.

The following table summarize the changes in the accumulated balances for each component of accumulated other comprehensive loss during the year ended September 30, 2022:

	Pension and Postretirement		Currency Translation (1)		Net Unrealized Gain (Loss) on Derivative Instruments		Total Attributable to Hillenbrand, Inc.		Noncontrolling Interests		Total
Balance at September 30, 2021	$	(49.2)	$	13.1	$	(10.2)	$	(46.3)
Other comprehensive income (loss) before reclassifications
Before tax amount	18.4		(126.8)		(0.6)		(109.0)		$	(2.2)	$	(111.2)
Tax benefit	(5.7)		—		0.3		(5.4)		—		(5.4)
After tax amount	12.7		(126.8)		(0.3)		(114.4)		(2.2)		(116.6)
Amounts reclassified from accumulated other comprehensive loss (2)	3.7		—		1.4		5.1		—		5.1
Net current period other comprehensive income (loss)	16.4		(126.8)		1.1		(109.3)		$	(2.2)	$	(111.5)
Balance at September 30, 2022	$	(32.8)	$	(113.7)	$	(9.1)	$	(155.6)

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

(2)  Amounts are net of tax.

The following table summarize the changes in the accumulated balances for each component of accumulated other comprehensive loss during the year ended September 30, 2021:

	Pension and Postretirement		Currency Translation (1)		Net Unrealized Gain (Loss) on Derivative Instruments		Total Attributable to Hillenbrand, Inc.		Noncontrolling Interests		Total
Balance at September 30, 2020	$	(69.6)	$	(21.1)	$	(12.1)	$	(102.8)
Other comprehensive (loss) income before reclassifications
Before tax amount	22.5		42.2		0.9		65.6		$	(0.1)	$	65.5
Tax expense	(5.6)		—		(0.2)		(5.8)		—		(5.8)
After tax amount	16.9		42.2		0.7		59.8		(0.1)		59.7
Amounts reclassified from accumulated other comprehensive loss (2)	3.5		(8.0)		1.2		(3.3)		—		(3.3)
Net current period other comprehensive (loss) income	20.4		34.2		1.9		56.5		$	(0.1)	$	56.4
Balance at September 30, 2021	$	(49.2)	$	13.1	$	(10.2)	$	(46.3)

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

(2)  Amounts are net of tax.

Schedule of reclassifications out of accumulated other comprehensive income

Reclassifications out of accumulated other comprehensive loss include:

	Year Ended September 30, 2023
	Amortization of Pension  and Postretirement (1)				(Gain)Loss on Derivative Instruments		Total
	Net Loss Recognized		Prior Service Costs Recognized
Affected Line in the Consolidated Statement of Operations:
Net revenue	$	—	$	—	$	(0.1)	$	(0.1)
Cost of goods sold	—		—		(1.3)		$	(1.3)
Operating expenses	0.1		—		2.0		$	2.1
Gain on divestiture of discontinued operations (net of income tax expense)	(1.4)		(0.1)		—		$	(1.5)
Total before tax	$	(1.3)	$	(0.1)	$	0.6	$	(0.8)
Tax benefit							0.5
Total reclassifications for the period, net of tax							$	(0.3)

(1)These accumulated other comprehensive loss components are included in the computation of net pension cost (see Note 8).

Reclassifications out of accumulated other comprehensive loss include:

	Year Ended September 30, 2022
	Amortization of Pension  and Postretirement (1)				(Gain) Loss on Derivative Instruments		(Gain) Loss on Divestiture		Total
	Net Loss Recognized		Prior Service Costs Recognized
Affected Line in the Consolidated Statement of Operations:
Net revenue	$	—	$	—	$	(0.1)	$	—	$	(0.1)
Cost of goods sold	—		—		(0.7)		—		$	(0.7)
Operating expenses	4.0		—		1.9		—		$	5.9
Total before tax	$	4.0	$	—	$	1.1	$	—	$	5.1
Tax benefit									—
Total reclassifications for the period, net of tax									$	5.1

(1)These accumulated other comprehensive loss components are included in the computation of net pension cost (see Note 8).

Reclassifications out of accumulated other comprehensive loss include:

	Year Ended September 30, 2021
	Amortization of Pension  and Postretirement (1)				(Gain)/Loss on Derivative Instruments		(Gain)/Loss on Divestiture		Total
	Net Loss Recognized		Prior Service Costs Recognized
Affected Line in the Consolidated Statement of Operations:
Net revenue	$	—	$	—	$	0.1	$	—	$	0.1
Cost of goods sold	—		—		(1.0)		—		$	(1.0)
Operating expenses	4.2		(0.1)		1.9		(8.0)		$	(2.0)
Total before tax	$	4.2	$	(0.1)	$	1.0	$	(8.0)	$	(2.9)
Tax benefit									(0.4)
Total reclassifications for the period, net of tax									$	(3.3)

(1)These accumulated other comprehensive loss components are included in the computation of net pension cost (see Note 8).