CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net income		$ 219,472	$ 599,043	$ 476,347
Adjustments to reconcile net income to net cash flow from operating activities:
Depreciation		61,646	59,935	59,769
Amortization of intangible assets		35,347	53,600	53,467
Employee stock-based compensation awards		26,178	38,532	24,497
Company stock 401(k) match contributions		16,416	18,702	18,629
Amortization of deferred financing costs, debt discounts and premiums		5,644	6,193	7,058
Gain on investment sales		0	(153,626)	(25,809)
Provision for deferred income taxes		14,626	(3,807)	19,737
Merger termination fee		0	0	(136,000)
Pension expense, net of employer contributions		1,789	9,514	5,559
Change in operating assets and liabilities, net of acquisitions:
Decrease in trade receivables		99	22,071	34,726
Increase (decrease) in accounts payable		5,938	(27,613)	38,739
(Decrease) increase in interest and taxes payable		(66,220)	43,550	(14,977)
Increase (decrease) in deferred revenue		4,573	(2,973)	2,810
Changes in other assets and liabilities, net		487	21,846	22,697
Net cash flow from operating activities		325,995	684,967	587,249
Cash flows from investing activities:
Purchase of property and equipment		(43,430)	(52,440)	(54,694)
Payments for acquisitions of businesses and assets, net of cash acquired		(1,745)	(54,249)	(1,150)
Payments for investments		(3,690)	(20,776)	(370)
Proceeds from investments		3,201	158,976	28,105
Proceeds from sale of assets		690	258	120
Net cash flow (used for) provided by investing activities		(44,974)	31,769	(27,989)
Cash flows from financing activities:
Debt repayment		(550,000)	0	0
Repurchase of Common Stock		0	(274,827)	(652,914)
Dividends paid		(80,459)	(81,364)	(83,534)
Payments for debt issuance costs		0	(6,448)	0
Payments for acquisition-related earnout consideration		(6,364)	(4,667)	0
Repurchase of noncontrolling interest in Premion		(20,845)	0	0
Payments for tax withholding related to vested stock-based compensation awards and share repurchase excise tax		(25,327)	(17,252)	(13,457)
Net cash flow used for financing activities		(682,995)	(384,558)	(749,905)
(Decrease) increase in cash and cash equivalents		(401,974)	332,178	(190,645)
Balance of cash and cash equivalents at beginning of year		693,214	361,036	551,681
Balance of cash and cash equivalents at end of year		291,240	693,214	361,036
Supplemental cash flow information:
Cash paid for income taxes, net of refunds	[1]	113,142	134,123	126,138
Cash paid for interest		$ 161,244	$ 164,406	$ 166,132

[1] Includes $71,474 of payments for clean energy tax credits in 2025.