Consolidated Statements of Cash Flows - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating Activities
Net income		$ 333,300	$ 284,200	$ 259,200
Adjustments to reconcile income to net cash provided by operating activities:
Depreciation and amortization		452,300	421,400	392,100
Gains on sales of assets		(140,000)	(137,800)	(130,900)
Asset Impairment Charges		3,600	0	1,500
Employee benefit plans		(200)	(800)	(4,300)
Share-based compensation expense		25,000	23,000	18,300
Deferred income taxes		53,200	45,800	38,300
Share of affiliates’ earnings, net of dividends		(67,300)	(32,800)	(47,400)
Other		(11,800)	(900)	(6,400)
Investing Activities
Portfolio investments and capital additions		(1,316,700)	(1,674,400)	(1,665,000)
Portfolio proceeds		275,000	230,600	272,800
Proceeds from sales of other assets		36,800	24,900	20,200
Short-term investments		0	0	150,000
Payment for (Proceeds from) Other Investing Activity		3,100	2,200	2,700
Net cash used in investing activities		(1,016,800)	(1,416,700)	(1,219,300)
Financing Activities
Net proceeds from issuances of debt (original maturities longer than 90 days)		4,841,500	1,295,600	1,420,000
Repayments of debt (original maturities longer than 90 days)		(733,400)	(413,500)	(500,000)
Net increase (decrease) in debt with original maturities of 90 days or less		70,400	0	(7,100)
Payments on capital lease obligations		0	(30,400)	0
Stock repurchases		(65,000)	(21,900)	(2,600)
Dividends		(89,800)	(84,800)	(80,600)
GABX equity contribution from non-controlling interest		899,000	0	0
Other (add shares used to pay taxes)		22,100	25,500	14,400
Net cash (used in) provided by financing activities		4,944,800	770,500	844,100
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation		7,000	(4,900)	1,600
Net increase (decrease) in Cash, Cash Equivalents, and Restricted Cash during the year		4,583,100	(49,000)	146,800
Cash, Cash Equivalents, and Restricted Cash at beginning of period		401,800	450,800	304,000
Cash, Cash Equivalents, and Restricted Cash at end of period		4,984,900	401,800	450,800
Interest Paid, Excluding Capitalized Interest, Operating Activity	[1]	413,200	350,100	260,100
Net cash provided by operating activities		648,100	602,100	520,400
Payments to Acquire Assets Previously Leased, Investing Activities		(15,000)	0	0
Non-cash financing lease transactions		$ 0	$ 30,100	$ 0

[1] Interest paid consisted of interest on debt obligations and interest rate swaps (net of interest received)