Goodwill and Other Intangibles (Tables)

9 Months Ended

Feb. 28, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Activity in Goodwill for the Periods Indicated

The following table summarizes the activity in Goodwill for the periods indicated: 

	February 28, 2025		May 31, 2024		February 29, 2024
Gross beginning balance	$	172.4	$	172.3	$	172.3
Accumulated impairment		(39.6)		(39.6)		(39.6)
Beginning balance	$	132.8	$	132.7	$	132.7
Additions		70.1		—		—
Measurement period adjustments (1)		0.9		—		—
Foreign currency translation		(3.8)		0.1		0.1
Ending balance	$	200.0	$	132.8	$	132.8

(1) Measurement period adjustments for the 9 Story acquisition reflect an increase to goodwill of $0.9 resulting from a net decrease in the estimated fair value of the net assets acquired. The decrease in the estimated fair value of the net assets acquired consisted of an increase to deferred tax liabilities of $1.4, an increase to operating lease right-of-use assets of $0.3, a decrease to lease liabilities of $0.1, and a decrease to the purchase price as a result of a working capital adjustment of $0.1.

Summary of Activity in Total Other Intangibles for the Periods Indicated

The following table summarizes the activity in Other intangible assets for the periods indicated:

	February 28, 2025		May 31, 2024		February 29, 2024
Beginning balance - Other intangibles subject to amortization	$	8.2	$	7.8	$	7.8
Additions		85.3		6.0		6.0
Amortization expense		(8.1)		(2.6)		(1.9)
Foreign currency translation		(4.1)		0.1		0.0
Impairments		—		(3.1)		—
Total other intangibles subject to amortization, net of accumulated amortization of $47.2, $39.1 and $38.4, respectively	$	81.3	$	8.2	$	11.9
Total other intangibles not subject to amortization	$	2.1	$	2.1	$	2.1
Total other intangible assets, net	$	83.4	$	10.3	$	14.0