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Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Feb. 28, 2026

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following tables summarize the activity in Accumulated other comprehensive income (loss), net of tax, by component, for the periods indicated:

			Three months ended February 28, 2026
			Foreign currency translation adjustments									Retirement benefit plans									Total
Beginning balance at December 1, 2025			$			(36.3)						$			(5.0)						$			(41.3)
Other comprehensive income (loss) before reclassifications						7.7									—									7.7
Less amount reclassified from Accumulated other comprehensive income (loss):
Amortization of net actuarial (gain) loss (net of tax of $0.0)						—									0.4									0.4
Amortization of prior service (credit) cost (net of tax of $0.1)						—									(0.2)									(0.2)
Other comprehensive income (loss)						7.7									0.2									7.9
Ending balance at February 28, 2026			$			(28.6)						$			(4.8)						$			(33.4)
			Three months ended February 28, 2025
			Foreign currency translation adjustments									Retirement benefit plans									Total
Beginning balance at December 1, 2024			$			(50.6)						$			(5.2)						$			(55.8)
Other comprehensive income (loss) before reclassifications						(8.0)									—									(8.0)
Less amount reclassified from Accumulated other comprehensive income (loss):
Amortization of net actuarial (gain) loss (net of tax of $0.0)						—									0.3									0.3
Amortization of prior service (credit) cost (net of tax of $0.1)						—									(0.2)									(0.2)
Other comprehensive income (loss)						(8.0)									0.1									(7.9)
Ending balance at February 28, 2025			$			(58.6)						$			(5.1)						$			(63.7)
			Nine months ended February 28, 2026
			Foreign currency translation adjustments									Retirement benefit plans									Total
Beginning balance at June 1, 2025			$			(36.0)						$			(5.5)						$			(41.5)
Other comprehensive income (loss) before reclassifications						7.4									—									7.4
Less: amount reclassified from Accumulated other comprehensive income (loss)
Amortization of net actuarial (gain) loss (net of tax of $0.0)						—									1.2									1.2
Amortization of prior service (credit) cost (net of tax of $0.2)						—									(0.5)									(0.5)
Other comprehensive income (loss)						7.4									0.7									8.1
Ending balance at February 28, 2026			$			(28.6)						$			(4.8)						$			(33.4)
			Nine months ended February 28, 2025
			Foreign currency translation adjustments									Retirement benefit plans									Total
Beginning balance at June 1, 2024			$			(46.9)						$			(5.6)						$			(52.5)
Other comprehensive income (loss) before reclassifications						(11.7)									—									(11.7)
Less: amount reclassified from Accumulated other comprehensive income (loss)
Amortization of net actuarial (gain) loss (net of tax of $0.0)						—									1.0									1.0
Amortization of prior service (credit) cost (net of tax of $0.2)						—									(0.5)									(0.5)
Other comprehensive income (loss)						(11.7)									0.5									(11.2)
Ending balance at February 28, 2025			$			(58.6)						$			(5.1)						$			(63.7)

Reclassification out of Accumulated Other Comprehensive Income

The following table presents the impact on earnings of reclassifications out of Accumulated other comprehensive income (loss) for the periods indicated:

			Three months ended																		Nine months ended																		Condensed Consolidated Statements of Operations line item
			February 28,									February 28,									February 28,									February 28,
			2026									2025									2026									2025
Employee benefit plans:
Amortization of net actuarial loss			$			0.4						$			0.3						$			1.2						$			1.0						Other components of net periodic benefit (cost)
Amortization of prior service (credit) loss						(0.3)									(0.3)									(0.7)									(0.7)						Other components of net periodic benefit (cost)
Less: Tax effect						0.1									0.1									0.2									0.2						Provision (benefit) for income taxes
Total cost, net of tax			$			0.2						$			0.1						$			0.7						$			0.5

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Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).

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Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-20

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