Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Feb. 29, 2024

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 29, 2024
	Foreign currency translation adjustments		Retirement benefit plans		Total
Beginning balance at December 1, 2023	$	(48.0)	$	(5.5)	$	(53.5)
Other comprehensive income (loss) before reclassifications		(0.4)		—		(0.4)
Less amount reclassified from Accumulated other comprehensive income (loss):
Amortization of net actuarial 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)		(0.4)		0.2		(0.2)
Ending balance at February 29, 2024	$	(48.4)	$	(5.3)	$	(53.7)
	Three months ended February 28, 2023
	Foreign currency translation adjustments		Retirement benefit plans		Total
Beginning balance at December 1, 2022	$	(51.2)	$	(0.9)	$	(52.1)
Other comprehensive income (loss) before reclassifications		(1.0)		—		(1.0)
Less amount reclassified from Accumulated other comprehensive income (loss):
Amortization of net actuarial loss (net of tax of $0.0)		—		0.2		0.2
Amortization of prior service (credit) cost (net of tax of $0.1)		—		(0.2)		(0.2)
Other comprehensive income (loss)		(1.0)		0.0		(1.0)
Ending balance at February 28, 2023	$	(52.2)	$	(0.9)	$	(53.1)

	Nine months ended February 29, 2024
	Foreign currency translation adjustments		Retirement benefit plans		Total
Beginning balance at June 1, 2023	$	(50.0)	$	(5.8)	$	(55.8)
Other comprehensive income (loss) before reclassifications		1.6		—		1.6
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)		1.6		0.5		2.1
Ending balance at February 29, 2024	$	(48.4)	$	(5.3)	$	(53.7)
	Nine months ended February 28, 2023
	Foreign currency translation adjustments		Retirement benefit plans		Total
Beginning balance at June 1, 2022	$	(44.6)	$	(0.8)	$	(45.4)
Other comprehensive income (loss) before reclassifications		(7.6)		—		(7.6)
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 $0.2)		—		(0.5)		(0.5)
Other comprehensive income (loss)		(7.6)		(0.1)		(7.7)
Ending balance at February 28, 2023	$	(52.2)	$	(0.9)	$	(53.1)

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 29,		February 28,		February 29,		February 28,
	2024		2023		2024		2023
Employee benefit plans:
Amortization of net actuarial loss	$	0.4	$	0.2	$	1.0	$	0.4	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	$	0.0	$	0.5	$	(0.1)