Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Activities
Net income	$ 75,800,000	$ 36,500,000
Adjustments to reconcile income to net cash provided by operating activities:
Depreciation expense	92,800,000	92,000,000.0
Net gains on sales of assets	(70,800,000)	(21,800,000)
Deferred income taxes	16,600,000	2,500,000
Share of affiliates’ earnings, net of dividends	3,600,000	(7,200,000)
Changes in working capital items	(17,800,000)	(25,600,000)
Net Cash Provided by (Used in) Operating Activities	100,200,000	76,400,000
Investing Activities
Portfolio investments and capital additions	(370,400,000)	(509,500,000)
Portfolio proceeds	151,500,000	47,000,000.0
Proceeds from sales of other assets	11,800,000	15,300,000
Other	28,100,000	400,000
Net Cash Provided by (Used in) Investing Activities	(179,000,000.0)	(446,800,000)
Financing Activities
Net proceeds from issuances of debt (original maturities longer than 90 days)	395,900,000	1,074,100,000
Net decrease in debt with original maturities of 90 days or less	900,000	(3,200,000)
Stock repurchases	(9,000,000.0)	0
Dividends	(20,400,000)	(19,700,000)
Purchases of assets previously leased	(1,500,000)	(33,300,000)
Other	19,700,000	20,800,000
Net Cash Provided by (Used in) Financing Activities	385,600,000	1,038,700,000
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	(1,800,000)	(1,800,000)
Net increase in Cash, Cash Equivalents, and Restricted Cash during the period	305,000,000.0	666,500,000
Cash, Cash Equivalents, and Restricted Cash at beginning of period	344,500,000	292,600,000
Cash, Cash Equivalents, and Restricted Cash at end of period	$ 649,500,000	$ 959,100,000