Consolidated Statements of Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues
Lease revenue	$ 280.6	$ 274.3	$ 558.9	$ 524.9
Marine operating revenue	66.0	72.2	90.2	89.9
Other revenue	18.7	19.3	35.9	37.6
Total Revenues	365.3	365.8	685.0	652.4
Expenses
Maintenance expense	80.2	84.0	158.5	157.1
Marine operating expense	47.3	54.6	66.2	69.6
Depreciation expense	74.4	71.1	142.9	129.8
Operating lease expense	22.4	27.3	43.1	54.2
Other operating expense	7.8	6.7	15.1	13.3
Selling, general and administrative	44.6	44.9	90.3	87.6
Total Expenses	276.7	288.6	516.1	511.6
Other Income (Expense)
Net gain on asset dispositions	8.7	28.2	54.0	56.3
Interest expense, net	(38.5)	(39.5)	(79.4)	(81.5)
Other (expense) income	(1.6)	(4.9)	(5.6)	(8.3)
Income before Income Taxes and Share of Affiliates’ Earnings	57.2	61.0	137.9	107.3
Income Taxes	(20.8)	(20.2)	(47.8)	(34.3)
Share of Affiliates’ Earnings (net of tax)	9.0	12.3	17.5	22.2
Net Income	45.4	53.1	107.6	95.2
Other Comprehensive Income, net of taxes
Foreign currency translation adjustments	(11.5)	1.9	36.5	1.2
Unrealized gain (loss) on securities	0.1	(0.1)	0.1	0.1
Unrealized gain (loss) on derivative instruments	(0.1)	(0.8)	2.5	(1.5)
Post-retirement benefit plans	2.1	1.7	4.2	3.1
Other comprehensive income (loss)	13.6	0.7	(34.9)	3.3
Comprehensive Income	$ 59.0	$ 53.8	$ 72.7	$ 98.5
Share Data
Basic earnings per share (in dollars per share)	$ 1.04	$ 1.17	$ 2.46	$ 2.08
Average number of common shares (in shares)	43.5	45.5	43.8	45.7
Diluted earnings per share (in dollars per share)	$ 1.03	$ 1.15	$ 2.42	$ 2.05
Average number of common shares and common share equivalents (in shares)	44.2	46.3	44.5	46.5
Dividends declared per common share (in dollars per share)	$ 0.38	$ 0.33	$ 0.76	$ 0.66