Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating Revenues
Operating Revenues	$ 1,111,519	$ 1,012,438	$ 3,248,064	$ 2,860,461
Operating Costs and Expenses
Selling, general and administrative	254,757	223,857	741,402	676,563
Depreciation of property, plant and equipment	22,207	19,657	63,335	58,545
Amortization of intangible assets	11,759	14,635	39,007	44,436
Impairment of goodwill and other long-lived assets	98,321	0	99,066	0
Total Operating Costs and Expenses	1,168,631	952,906	3,219,465	2,721,630
(Loss) Income from Operations	(57,112)	59,532	28,599	138,831
Equity in (losses) earnings of affiliates, net	(791)	(1,111)	(2,245)	2,920
Interest income	1,986	803	4,738	2,214
Interest expense	(11,810)	(11,579)	(37,878)	(38,969)
Non-operating pension and postretirement benefit income, net	35,653	50,687	97,313	152,063
Gain (loss) on marketable equity securities, net	16,759	(54,250)	113,429	(172,878)
Other income, net	3,581	2,358	22,458	6,410
(Loss) Income Before Income Taxes	(11,734)	46,440	226,414	90,591
Provision for Income Taxes	9,400	12,600	70,400	26,800
Net (Loss) Income	(21,134)	33,840	156,014	63,791
Net Income Attributable to Noncontrolling Interests	(1,897)	(1,060)	(3,985)	(2,872)
Net (Loss) Income Attributable to Graham Holdings Company Common Stockholders	$ (23,031)	$ 32,780	$ 152,029	$ 60,919
Per Share Information Attributable to Graham Holdings Company Common Stockholders
Basic net (loss) income per common share (in USD per share)	$ (5.02)	$ 6.78	$ 32.23	$ 12.51
Basic average number of common shares outstanding (in shares)	4,602	4,808	4,686	4,841
Diluted net (loss) income per common share (in USD per share)	$ (5.02)	$ 6.76	$ 32.14	$ 12.48
Diluted average number of common shares outstanding (in shares)	4,602	4,820	4,700	4,853
Services [Member]
Operating Revenues
Operating Revenues	$ 633,535	$ 588,166	$ 1,845,617	$ 1,708,848
Operating Costs and Expenses
Cost of services and goods	373,784	342,138	1,093,756	996,821
Goods [Member]
Operating Revenues
Operating Revenues	477,984	424,272	1,402,447	1,151,613
Operating Costs and Expenses
Cost of services and goods	$ 407,803	$ 352,619	$ 1,182,899	$ 945,265

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Also includes expenses such as bad debt expense, and gain (loss) on disposition of assets.

No definition available.