CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net income	$ 507,436	$ 605,732
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	351,155	362,744
Loss on extinguishment of debt	0	2,445
Stock-based compensation expense	62,567	48,832
Deferred income taxes	(9,838)	(28,643)
Equity investment loss, net	47,730	54,748
Gain on changes in ownership interests	0	(35,147)
Other non-cash losses	6,948	16,570
Changes in operating assets and liabilities, net of effect of acquisitions and divestitures:
Accounts receivable	(288,447)	(193,093)
Inventories	(9,592)	22,422
Other current assets	(70,945)	(13,898)
Other long-term assets	2,981	(3,367)
Accounts payable	35,612	(38,998)
Accrued compensation and benefits	(125,365)	(122,817)
Other current liabilities	(3,586)	1,219
Income taxes	9,462	(8,097)
Other long-term liabilities	(11,873)	(6,642)
Net cash provided by operating activities	504,245	664,010
Cash flows from investing activities:
Additions of property and equipment	(264,349)	(245,740)
Acquisitions	(10,596)	(157,783)
Proceeds from asset and business sales	22,400	12,779
Purchase of debt investments held-to-maturity	(27,475)	(309)
Purchase of other debt and equity investments	(3,002)	(3,411)
Proceeds from debt investments held-to-maturity	48,014	7,082
Proceeds from sale of other debt and equity investments	6,379	4,564
Purchase of equity method investments	(2,144)	(700)
Distributions from equity method investments	1,470	6,554
Net cash used in investing activities	(229,303)	(376,964)
Cash flows from financing activities:
Borrowings	4,189,716	3,275,533
Payments on long-term debt	(3,373,300)	(2,661,145)
Deferred and debt related financing costs	(25,133)	(19,993)
Related Party Transaction, Amounts of Transaction	(200,261)	0
Other purchases of treasury stock	(793,834)	(612,614)
Distributions to noncontrolling interests	(151,087)	(107,210)
Net proceeds from issuance of common stock under employee stock plans	8,913	7,421
Payment of tax withholdings on net share settlements of equity awards	(30,477)	(93,698)
Contributions from noncontrolling interests	2,578	7,621
Proceeds from sales of additional noncontrolling interests	169	860
Purchases of noncontrolling interests	(5,378)	(40,751)
Net cash used in financing activities	(378,094)	(243,976)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	20,286	(4,458)
Net (decrease) increase in cash, cash equivalents and restricted cash	(82,866)	38,612
Cash, cash equivalents and restricted cash at beginning of the year	879,825	464,634
Cash, cash equivalents and restricted cash at end of the period	$ 796,959	$ 503,246