Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Operating Revenues
Operating Revenues	$ 1,326,037	$ 1,278,859	$ 3,864,535	$ 3,660,546
Operating Costs and Expenses
Selling, general and administrative	282,836	276,103	844,455	823,499
Depreciation of property, plant and equipment	18,119	19,298	54,794	59,504
Amortization of intangible assets	5,775	9,692	17,808	24,757
Impairment of goodwill, other long-lived assets and asset group held for sale	0	2,235	19,029	2,235
Total Operating Costs and Expenses	1,240,516	1,211,723	3,637,547	3,473,186
Income from Operations	85,521	67,136	226,988	187,360
Equity in (losses) earnings of affiliates, net	(3,590)	15,780	11,397	10,466
Interest income	1,594	1,464	5,950	6,225
Interest expense	(15,769)	(17,164)	(49,171)	(117,547)
Non-operating pension and postretirement benefit income, net	47,601	31,047	248,323	94,266
(Loss) gain on marketable equity securities, net	(15,027)	84,768	17,929	117,026
Other (expense) income, net	(1,187)	7	(4,146)	(20,514)
Income Before Income Taxes	99,143	183,038	457,270	277,282
Provision for Income Taxes	21,900	56,800	66,900	84,900
Net Income	77,243	126,238	390,370	192,382
Net Income Attributable to Noncontrolling Interests	(2,133)	(3,313)	(5,051)	(8,814)
Net Income Attributable to Graham Holdings Company Common Stockholders	$ 75,110	$ 122,925	$ 385,319	$ 183,568
Per Share Information Attributable to Graham Holdings Company Common Stockholders
Basic net income per common share (in USD per share)	$ 17.79	$ 28.19	$ 89.84	$ 42.15
Basic average number of common shares outstanding (in shares)	4,198	4,334	4,264	4,329
Diluted net income per common share (in USD per share)	$ 17.60	$ 27.91	$ 88.92	$ 41.75
Diluted average number of common shares outstanding (in shares)	4,243	4,378	4,309	4,370
Services [Member]
Operating Revenues
Operating Revenues	$ 659,733	$ 700,356	$ 1,998,097	$ 2,016,490
Operating Costs and Expenses
Cost of services and goods	385,736	425,051	1,165,725	1,200,503
Goods [Member]
Operating Revenues
Operating Revenues	666,304	578,503	1,866,438	1,644,056
Operating Costs and Expenses
Cost of services and goods	$ 548,050	$ 479,344	$ 1,535,736	$ 1,362,688

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.