DEBT (Tables)

12 Months Ended

Dec. 31, 2025

Debt Disclosure [Abstract]

Schedule of Debt

Balances at December 31, 2025 and 2024 are as follows:

(in millions)	Maturity Date(s)	Interest Rates (3)	2025		2024
Secured financing facilities (1)
Aircraft and Engine Debt (2)	2026 – 2037	1.9% – 10.2%	$	833.6	$	747.6
Real Estate Debt	2026	8.0%	49.3		50.5
Equipment Debt	2028	8.0%	103.3		109.2
PSP Loans	2030 – 2031	6.4%	49.2		49.2
Finance leases (See Note 7)			59.5		66.7
Total debt and finance leases			1,094.9		1,023.2
Less: unamortized debt discounts and debt issuance costs			(10.0)		(11.4)
Less: current portion of long-term debt and finance leases			(202.0)		(259.6)
Long-term debt and finance leases—less current portion			$	882.9	$	752.2

(1)The net book value of the underlying security interests is $1,701.3 million and $1,791.8 million as of December 31, 2025, and 2024, respectively, consisting of inventories, corporate properties, and property and equipment, net.

(2)Financing arrangements include fixed and variable rate debt. All of the variable rate instruments are measured at an equivalent to the Secured Overnight Financing Rate (“SOFR”), plus a specified margin.

(3)As of December 31, 2025.

Schedule of Aggregate Principal Maturities

Aggregate principal maturities as of December 31, excluding finance leases, are as follows (in millions):

Year	Total
2026	$	196.0
2027	120.2
2028	172.3
2029	76.0
2030	110.4
Thereafter	350.5
Total	$	1,025.4