INVESTMENT IN SSAT (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Investments in affiliates
Investment in SSAT	$ 101.5		$ 96.2
Operating lease right-of-use assets	345.6		369.6
Long-term operating lease liabilities	230.0		246.8
Financial information for equity method investment
Current assets	436.4		471.9
Non-current assets	4,146.6		4,163.7
Total Assets	4,583.0		4,635.6
Current liabilities	529.9		527.4
Non-current liabilities	1,323.0		1,349.2
Total Liabilities and Shareholders' Equity	4,583.0		4,635.6
Company's share of income (loss) from SSAT	5.0	$ 6.6
Ocean Transportation
Financial information for equity method investment
Company's share of income (loss) from SSAT	5.0	6.6
SSAT
Investments in affiliates
Investment in SSAT	101.5		$ 96.2
Financial information for equity method investment
Operating revenue	282.7	311.5
Operating costs and expenses	(285.4)	(297.5)
Operating (loss) income	(2.7)	14.0
Net Income (Loss)	4.0	17.7
SSAT
Financial information for equity method investment
Company's share of income (loss) from SSAT	$ 5.0	$ 6.6

Amount of asset recognized for present right to economic benefit.

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