Consolidated Statements of Comprehensive Income (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012		Dec. 31, 2011
Revenues
Lease revenue	$ 975.2	$ 917.0		$ 900.1
Marine operating revenue	275.1	265.5		230.0
Other revenue	70.7	60.7		61.3
Total Revenues	1,321.0	1,243.2		1,191.4
Expenses
Maintenance expense	294.0	269.7		277.6
Marine operating expense	189.8	182.4		165.6
Depreciation	255.0	237.4		226.5
Operating lease expense	129.4	130.2		132.0
Other operating expense	26.1	24.2		27.8
Selling, general and administrative	178.3	160.2		155.3
Total Expenses	1,072.6	1,004.1		984.8
Other Income (Expense)
Net gain on asset dispositions	85.6	79.5		65.8
Interest expense, net	(166.6)	(166.6)		(168.9)
Other (expense) income	(8.4)	(8.2)		4.1
Income before Income Taxes and Share of Affiliates’ Earnings	159.0	143.8		107.6
Income Taxes	(65.5)	(26.1)		(29.2)
Share of Affiliates’ Earnings (net of tax)	75.8	19.6		32.4
Net Income	169.3	137.3		110.8
Other Comprehensive Income, net of taxes
Foreign currency translation adjustments	(25.8)	(25.0)		39.6
Unrealized gain (loss) on securities	(0.8)	(0.2)		0.2
Unrealized gain (loss) on derivative instruments	(22.4)	(11.7)		0.5
Post-retirement benefit plans	52.9	(12.4)		(18.8)
Other comprehensive income (loss)	101.9	24.5		(59.1)
Comprehensive Income	$ 271.2	$ 161.8		$ 51.7
Share Data
Basic earnings per share (in dollars per share)	$ 3.64	$ 2.93	[1]	$ 2.39
Average number of common shares (in shares)	46.4	46.8		46.4
Diluted earnings per share (in dollars per share)	$ 3.59	$ 2.88	[1]	$ 2.35
Average number of common shares and common share equivalents (in shares)	47.1	47.6		47.2
Dividends declared per common share (in dollars per share)	$ 1.24	$ 1.20		$ 1.16

[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.