Business Segment Information (Tables)

9 Months Ended

Feb. 28, 2026

Business Segment Information

Schedule of Significant expenses for each segment

	Three Months Ended February 28, 2026
					Selling,		Other
			Cost of		General and		Segment		Operating
	Sales		Sales		Administrative		Items		Income
Parts Supply	$	392.5	$	311.4	$	31.7	$	(1.3)	$	50.7
Repair & Engineering		265.3		222.9		27.4		(0.1)		15.1
Integrated Solutions		167.8		140.8		17.7		(0.1)		9.4
Expeditionary Services		19.5		15.1		1.5		0.1		2.8
	$	845.1	$	690.2	$	78.3	$	(1.4)	$	78.0
Corporate and other										(12.2)
										65.8
Bargain purchase gain										35.7
Gain on sale of headquarters building										9.8
Loss related to sale and exit of businesses, net										(0.4)
Other expense, net										(0.7)
Interest expense										(17.5)
Interest income										0.4
Income before income taxes									$	93.1

	Three Months Ended February 28, 2025
					Selling,		Other
			Cost of		General and		Segment		Operating
	Sales		Sales		Administrative		Items		Income
Parts Supply	$	270.7	$	215.9	$	10.1	$	(0.7)	$	45.4
Repair & Engineering		215.9		173.3		23.4		0.2		19.0
Integrated Solutions		162.9		136.2		17.3		(0.2)		9.6
Expeditionary Services		28.7		20.4		1.9		—		6.4
	$	678.2	$	545.8	$	52.7	$	(0.7)	$	80.4
Corporate and other										(9.3)
										71.1
Losses related to sale and exit of businesses										(64.0)
Other expense, net										(0.1)
Interest expense										(18.5)
Interest income										0.4
Income before income taxes									$	(11.1)

	Nine Months Ended February 28, 2026
					Selling,		Other
			Cost of		General and		Segment		Operating
	Sales		Sales		Administrative		Items		Income
Parts Supply	$	1,063.9	$	851.6	$	84.7	$	(4.9)	$	132.5
Repair & Engineering		724.4		589.8		75.2		1.2		58.2
Integrated Solutions		528.6		443.5		52.4		(0.3)		33.0
Expeditionary Services		63.1		49.9		5.0		—		8.2
	$	2,380.0	$	1,934.8	$	217.3	$	(4.0)	$	231.9
Corporate and other										(34.2)
										197.7
Bargain purchase gain										35.7
Gain on sale of headquarters building										9.8
Gain related to sale and exit of businesses, net										0.2
Other expense, net										(1.0)
Interest expense										(55.4)
Interest income										1.2
Income before income taxes									$	188.2

	Nine Months Ended February 28, 2025
					Selling,		Other
			Cost of		General and		Segment		Operating
	Sales		Sales		Administrative		Items		Income
Parts Supply	$	794.1	$	635.0	$	53.1	$	(1.1)	$	107.1
Repair & Engineering		662.3		528.6		74.1		(3.3)		62.9
Integrated Solutions		495.2		420.8		51.2		(0.6)		23.8
Expeditionary Services		74.4		62.4		5.1		—		6.9
	$	2,026.0	$	1,646.8	$	183.5	$	(5.0)	$	200.7
Corporate and other										(88.5)
										112.2
Losses related to sale and exit of businesses										(65.3)
Other expense, net										(0.4)
Interest expense										(56.6)
Interest income										1.4
Loss before income taxes									$	(8.7)

Schedule of financial information for each segment

	Three Months Ended February 28, 2026						Three Months Ended February 28, 2025
	Third-Party		Inter-segment		Total		Third-Party		Inter-segment		Total
	Sales		Sales		Sales		Sales		Sales		Sales
Parts Supply	$	392.5	$	8.0	$	400.5	$	270.7	$	7.3	$	278.0
Repair & Engineering		265.3		17.7		283.0		215.9		20.5		236.4
Integrated Solutions		167.8		2.5		170.3		162.9		0.5		163.4
Expeditionary Services		19.5		—		19.5		28.7		—		28.7
	$	845.1	$	28.2	$	873.3	$	678.2	$	28.3	$	706.5

	Nine Months Ended February 28, 2026						Nine Months Ended February 28, 2025
	Third-Party		Inter-segment		Total		Third-Party		Inter-segment		Total
	Sales		Sales		Sales		Sales		Sales		Sales
Parts Supply	$	1,063.9	$	23.4	$	1,087.3	$	794.1	$	12.5	$	806.6
Repair & Engineering		724.4		56.2		780.6		662.3		64.3		726.6
Integrated Solutions		528.6		6.4		535.0		495.2		1.1		496.3
Expeditionary Services		63.1		—		63.1		74.4		—		74.4
	$	2,380.0	$	86.0	$	2,466.0	$	2,026.0	$	77.9	$	2,103.9

	Three Months Ended				Nine Months Ended
	February 28,				February 28,
	2026		2025		2026		2025
Capital expenditures:
Parts Supply	$	0.4	$	0.1	$	0.7	$	0.2
Repair & Engineering		4.3		6.3		13.2		14.2
Integrated Solutions		2.4		0.9		6.5		3.9
Expeditionary Services		0.9		0.6		2.7		5.1
Corporate and discontinued operations		0.5		0.6		1.5		1.3
	$	8.5	$	8.5	$	24.6	$	24.7

	Three Months Ended				Nine Months Ended
	February 28,				February 28,
	2026		2025		2026		2025
Depreciation and amortization: 1
Parts Supply	$	7.7	$	2.5	$	16.2	$	7.4
Repair & Engineering		7.8		7.1		21.1		20.1
Integrated Solutions		4.8		4.7		13.9		13.7
Expeditionary Services		0.4		0.4		1.3		1.2
Corporate and discontinued operations		3.2		4.9		11.9		14.7
	$	23.9	$	19.6	$	64.4	$	57.1

¹ Includes amortization of stock-based compensation.

	Three Months Ended				Nine Months Ended
	February 28,				February 28,
	2026		2025		2026		2025
Earnings (Loss) from joint ventures:
Parts Supply	$	1.3	$	0.7	$	4.9	$	1.3
Repair & Engineering		0.1		(0.2)		(0.6)		3.4
	$	1.4	$	0.5	$	4.3	$	4.7

	February 28,		May 31,
	2026		2025
Total assets:
Parts Supply	$	1,154.6	$	818.8
Repair & Engineering		1,368.2		1,155.2
Integrated Solutions		597.6		620.8
Expeditionary Services		86.5		79.0
Corporate and discontinued operations		125.6		170.8
	$	3,332.5	$	2,844.6

	February 28,		May 31,
	2026		2025
Investments in joint ventures:
Parts Supply	$	13.3	$	8.4
Repair & Engineering		29.3		23.9
	$	42.6	$	32.3