Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues
Lease revenue	$ 308.6	$ 284.9	$ 610.6	$ 568.2
Marine operating revenue	2.0	5.2	5.5	11.4
Other revenue	32.6	22.6	66.0	49.7
Total Revenues	343.2	312.7	682.1	629.3
Expenses
Maintenance expense	82.3	70.8	166.2	145.4
Marine operating expense	2.4	3.9	4.4	8.1
Depreciation	92.1	90.0	181.9	179.5
Operating Lease, Expense	9.0	9.0	18.0	18.1
Other operating expense	11.0	9.3	22.0	20.0
Selling, general and administrative	52.0	47.9	102.4	95.1
Total Expenses	248.8	230.9	494.9	466.2
Other Income (Expense)
Net gain on asset dispositions	41.1	(24.2)	88.2	49.5
Interest expense, net	(63.7)	(51.9)	(122.7)	(103.1)
Other (expense) income	(4.9)	(11.3)	(8.9)	(13.3)
Income before Income Taxes and Share of Affiliates’ Earnings	66.9	(5.6)	143.8	96.2
Income taxes	(17.6)	(2.7)	(37.8)	(25.1)
Share of affiliates' earnings, net of taxes	14.0	10.9	34.7	7.3
Net income	63.3	2.6	140.7	78.4
Other Comprehensive Income, net of taxes
Foreign currency translation adjustments	23.1	(34.7)	31.9	(60.5)
Unrealized Gain (Loss) on Derivatives	(0.2)	0.2	0.6	0.6
Post-retirement benefit plans	1.1	1.7	1.0	3.2
Other comprehensive (loss) income	24.0	(32.8)	33.5	(56.7)
Comprehensive Income	$ 87.3	$ (30.2)	$ 174.2	$ 21.7
Share Data
Basic earnings per share (in dollars per share)	$ 1.74	$ 0.07	$ 3.88	$ 2.21
Average number of common shares (in shares)	35,600	35,500	35,600	35,500
Diluted earnings per share (in dollars per share)	$ 1.74	$ 0.07	$ 3.87	$ 2.18
Average number of common shares and common share equivalents (in shares)	35,700	36,000	35,700	36,000