v3.25.2
Goodwill and Other Intangibles (Tables)
 3 Months Ended
Aug. 31, 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: 
August 31, 2025May 31, 2025August 31, 2024
Gross beginning balance$238.5 $172.4 $172.4 
Accumulated impairment(39.6)(39.6)(39.6)
Beginning balance$198.9 $132.8 $132.8 
Additions (1)
— 64.2 70.1 
Foreign currency translation0.8 1.9 1.5 
Ending balance $199.7 $198.9 $204.4 
(1) The additions during the twelve months ended May 31, 2025 included measurement period adjustments for the 9 Story acquisition which reflected a decrease to goodwill of $5.9 resulting from a net increase in the estimated fair value of the net assets acquired. The increase in the estimated fair value of the net assets acquired consisted of a decrease to deferred tax liabilities of $5.3, an increase to operating lease right-of-use assets of $0.3, a decrease to lease liabilities of $0.1, an increase to the property, plant and equipment 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:
August 31, 2025May 31, 2025August 31, 2024
Beginning balance - Other intangibles subject to amortization$85.8 $8.2 $8.2 
Additions — 85.3 85.3 
Amortization expense(2.8)(11.2)(2.4)
Foreign currency translation1.5 3.5 1.5 
Total other intangibles subject to amortization, net of accumulated amortization of $53.1, $50.3 and $41.5, respectively
$84.5 $85.8 $92.6 
Total other intangibles not subject to amortization$2.1 $2.1 $2.1 
Total other intangible assets, net
$86.6 $87.9 $94.7