Leases (Tables)

12 Months Ended

May 31, 2024

Leases

Schedule of operating lease cost

	For the Year Ended May 31,
	2024		2023		2022
Operating lease cost	$	23.9	$	20.3	$	20.8
Short-term lease cost		6.6		5.9		2.2
Variable lease cost		5.4		3.2		9.2
	$	35.9	$	29.4	$	32.2

Schedule of maturities of our lease payments

With the exception of a land lease for one of our airframe maintenance facilities that expires in 2108, our operating leases expire at various dates through 2045.  Excluding leases related to our discontinued operations, maturities of our operating lease payments as of May 31, 2024 are as follows:

2025	$	16.7
2026		12.8
2027		10.8
2028		9.8
2029		7.4
Thereafter		88.8
Total undiscounted payments		146.3
Less: Imputed interest		(52.8)
Present value of minimum lease payments		93.5
Less: Operating lease liabilities – current		(13.2)
Operating lease liabilities – non-current	$	80.3

Schedule of weighted-average remaining lease term and weighted-average discount rate

	May 31,
	2024	2023
Remaining lease term	12.0 years	6.9 years
Discount rate	5.9%	3.8%

Schedule of supplemental cash flow information related to leases

	For the Year Ended May 31,
	2024		2023		2022
Cash paid for amounts included in the measurement of lease liabilities	$	16.4	$	14.5	$	14.1
Operating lease liabilities arising from obtaining ROU assets		42.0		4.5		9.5