Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Operating Revenues
Operating Revenues	$ 1,215,772	$ 1,185,280	$ 2,381,687	$ 2,337,942
Operating Costs and Expenses
Selling, general and administrative	276,690	268,987	547,396	532,966
Depreciation of property, plant and equipment	19,652	22,173	40,206	44,700
Amortization of intangible assets	7,241	10,058	15,065	20,809
Impairment of goodwill and other long-lived assets	0	26,287	0	26,287
Total Operating Costs and Expenses	1,143,021	1,159,369	2,261,463	2,276,589
Income from Operations	72,751	25,911	120,224	61,353
Equity in earnings (losses) of affiliates, net	3,114	2,560	(5,314)	4,891
Interest income	2,261	2,111	4,761	4,289
Interest expense	(18,106)	(91,383)	(100,383)	(110,711)
Non-operating pension and postretirement benefit income, net	28,602	24,655	63,219	67,072
(Loss) gain on marketable equity securities, net	(11,543)	19,628	32,258	123,780
Other (expense) income, net	(16,456)	1,791	(20,521)	3,438
Income (Loss) Before Income Taxes	60,623	(14,727)	94,244	154,112
Provision for Income Taxes	20,200	4,100	28,100	47,600
Net Income (Loss)	40,423	(18,827)	66,144	106,512
Net Income Attributable to Noncontrolling Interests	(3,674)	(2,213)	(5,501)	(3,172)
Net Income (Loss) Attributable to Graham Holdings Company Common Stockholders	$ 36,749	$ (21,040)	$ 60,643	$ 103,340
Per Share Information Attributable to Graham Holdings Company Common Stockholders
Basic net income (loss) per common share (in USD per share)	$ 8.43	$ (4.79)	$ 13.93	$ 23.24
Basic average number of common shares outstanding (in shares)	4,333	4,401	4,327	4,416
Diluted net income (loss) per common share (in USD per share)	$ 8.35	$ (4.79)	$ 13.81	$ 23.11
Diluted average number of common shares outstanding (in shares)	4,373	4,401	4,366	4,442
Services [Member]
Operating Revenues
Operating Revenues	$ 668,627	$ 657,124	$ 1,316,134	$ 1,303,534
Operating Costs and Expenses
Cost of services and goods	389,316	384,293	775,452	772,036
Goods [Member]
Operating Revenues
Operating Revenues	547,145	528,156	1,065,553	1,034,408
Operating Costs and Expenses
Cost of services and goods	$ 450,122	$ 447,571	$ 883,344	$ 879,791

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.