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Financing Arrangements (Tables)
9 Months Ended
Feb. 28, 2026
Financing Arrangements  
Summary of carrying amount of debt

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February 28, 

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May 31, 

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2026

  ​ ​ ​

2025

Senior Notes

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$

700.0

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$

550.0

Amended Revolving Credit Facility with interest payable monthly

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195.0

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427.0

Debt premium, net

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2.5

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—

Debt issuance costs, net

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(9.2)

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(9.0)

Long-term debt

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$

888.3

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$

968.0

Schedule of specified redemption prices

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2026

  ​ ​ ​

103.375

%

2027

 

101.688

%

2028 and thereafter

 

100.000

%