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

February 28, 

May 31, 

  ​ ​ ​

2026

  ​ ​ ​

2025

Senior Notes

$

700.0

$

550.0

Amended Revolving Credit Facility with interest payable monthly

195.0

427.0

Debt premium, net

2.5

Debt issuance costs, net

 

(9.2)

 

(9.0)

Long-term debt

$

888.3

$

968.0

Schedule of specified redemption prices

2026

  ​ ​ ​

103.375

%

2027

 

101.688

%

2028 and thereafter

 

100.000

%