Segment Information (Tables)

6 Months Ended

Sep. 30, 2025

Segment Information

Net sales, significant expense and assets by segment

	Three months ended September 30, 2025								Three months ended September 30, 2024
					Corporate								Corporate
	Climate		Performance		and				Climate		Performance		and
	Solutions		Technologies		eliminations		Total		Solutions		Technologies		eliminations		Total
External sales	$	454.1	$	284.8	$	—	$	738.9	$	366.4	$	291.6	$	—	$	658.0
Inter-segment sales		0.3		1.5		(1.8)		—		—		5.9		(5.9)		—
Net sales		454.4		286.3		(1.8)		738.9		366.4		297.5		(5.9)		658.0
Cost of sales		342.4		232.2		(0.6)		574.0		260.1		237.4		(5.1)		492.4
Gross profit		112.0		54.1		(1.2)		164.9		106.3		60.1		(0.8)		165.6
Selling, general and administrative expenses		47.4		19.7		17.1		84.2		40.1		26.3		19.4		85.8
Restructuring expenses		2.4		0.6		0.1		3.1		1.5		3.0		—		4.5
Impairment charge		—		4.1		—		4.1		—		—		—		—
Operating income	$	62.2	$	29.7	$	(18.4)	$	73.5	$	64.7	$	30.8	$	(20.2)	$	75.3

	Six months ended September 30, 2025								Six months ended September 30, 2024
					Corporate								Corporate
	Climate		Performance		and				Climate		Performance		and
	Solutions		Technologies		eliminations		Total		Solutions		Technologies		eliminations		Total
External sales	$	851.4	$	570.3	$	—	$	1,421.7	$	723.6	$	595.9	$	—	$	1,319.5
Inter-segment sales		0.4		1.5		(1.9)		—		0.1		10.6		(10.7)		—
Net sales		851.8		571.8		(1.9)		1,421.7		723.7		606.5		(10.7)		1,319.5
Cost of sales		626.9		465.8		(1.3)		1,091.4		516.6		482.9		(8.2)		991.3
Gross profit		224.9		106.0		(0.6)		330.3		207.1		123.6		(2.5)		328.2
Selling, general and administrative expenses		92.1		41.6		35.4		169.1		80.9		53.1		34.6		168.6
Restructuring expenses		3.7		4.1		0.1		7.9		1.7		8.2		—		9.9
Impairment charge		—		4.1		—		4.1		—		—		—		—
Operating income	$	129.1	$	56.2	$	(36.1)	$	149.2	$	124.5	$	62.3	$	(37.1)	$	149.7

The following is a summary of segment assets, comprised entirely of trade accounts receivable and inventories, and other assets:

	September 30, 2025		March 31, 2025
Assets:
Climate Solutions	$	705.6	$	448.7
Performance Technologies		382.2		371.1
Other (a)		1,298.1		1,097.8
Total assets	$	2,385.9	$	1,917.6
____

(a) Represents cash and cash equivalents, other current assets, property plant and equipment, intangible assets, goodwill, deferred income taxes, and other noncurrent assets for the Climate Solutions and Performance Technologies segments and Corporate.

Schedule of capital expenditures and depreciation and amortization expense by segment

	Three months ended September 30,				Six months ended September 30,
	2025		2024		2025		2024
Capital expenditures:
Climate Solutions	$	26.8	$	7.7	$	46.7	$	23.7
Performance Technologies		5.1		5.7		12.4		16.5
Corporate		—		0.1		0.3		0.1
Total capital expenditures	$	31.9	$	13.5	$	59.4	$	40.3

	Three months ended September 30,				Six months ended September 30,
	2025		2024		2025		2024
Depreciation and amortization expense:
Climate Solutions	$	11.4	$	12.6	$	22.6	$	24.5
Performance Technologies		7.8		7.2		15.3		14.2
Corporate		0.5		0.2		0.8		0.4
Total depreciation and amortization expense	$	19.7	$	20.0	$	38.7	$	39.1