Consolidated Statements of Comprehensive Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014		Dec. 31, 2013
Revenues
Lease revenue	$ 1,130.1	$ 1,086.6		$ 975.2
Marine operating revenue	235.0	286.3		275.1
Other revenue	84.8	78.1		70.7
Total Revenues	1,449.9	1,451.0		1,321.0
Expenses
Maintenance expense	326.1	337.0		294.0
Marine operating expense	155.9	197.8		189.8
Depreciation	290.5	273.5		255.0
Operating lease expense	87.2	108.7		129.4
Other operating expense	38.4	28.9		26.1
Selling, general and administrative	192.4	189.2		178.3
Total Expenses	1,090.5	1,135.1		1,072.6
Other Income (Expense)
Net gain on asset dispositions	79.2	87.2		85.6
Interest expense, net	(155.1)	(158.4)		(166.6)
Other (expense) income	(13.2)	(13.5)		(8.4)
Income before Income Taxes and Share of Affiliates’ Earnings	270.3	231.2		159.0
Income Taxes	(110.9)	(75.7)		(65.5)
Share of Affiliates’ Earnings (net of tax)	45.9	49.5		75.8
Net Income	205.3	205.0		169.3
Other Comprehensive Income, net of taxes
Foreign currency translation adjustments	55.8	79.1		(25.8)
Unrealized gain (loss) on securities	0.6	0.1		(0.8)
Unrealized gain (loss) on derivative instruments	1.8	(3.0)		(22.4)
Post-retirement benefit plans	7.8	(29.5)		52.9
Other comprehensive income (loss)	(50.4)	(105.7)		101.9
Comprehensive Income	$ 154.9	$ 99.3		$ 271.2
Share Data
Basic earnings per share (in dollars per share)	$ 4.76	$ 4.55	[1]	$ 3.64
Average number of common shares (in shares)	43.1	45.0		46.4
Diluted earnings per share (in dollars per share)	$ 4.69	$ 4.48	[1]	$ 3.59
Average number of common shares and common share equivalents (in shares)	43.8	45.8		47.1
Dividends declared per common share (in dollars per share)	$ 1.52	$ 1.32		$ 1.24

[1] (1)Quarterly earnings per share may not be additive, as per share amounts are computed independently for each quarter and the full year is based on the respective weighted average common shares and common stock equivalents outstanding.(2)In the third quarter of 2015, net income included $31.1 million of net impairment losses and $4.5 million of net disposition gains, both related to the decision to exit the majority of the marine investments within the Portfolio Management segment.(3)In the fourth quarter of 2015, net income included $9.0 million of net disposition gains related to the decision to exit the majority of the marine investments within the Portfolio Management segment. In addition, we recorded $14.1 million of expense attributable to an increase in our effective state income tax rate, $7.7 million of benefit resulting from a reduction in the statutory income tax rate in the UK, and $5.6 million of net expenses associated with an early retirement program offered to certain employees.