Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Operating Revenues
Operating Revenues	$ 1,104,999	$ 933,302	$ 2,136,545	$ 1,848,023
Operating Costs and Expenses
Selling, general and administrative	244,683	227,844	486,645	452,706
Depreciation of property, plant and equipment	21,103	19,413	41,128	38,888
Amortization of intangible assets	13,304	14,889	27,248	29,801
Impairment of long-lived assets	0	0	745	0
Total Operating Costs and Expenses	1,046,944	893,974	2,050,834	1,768,724
Income from Operations	58,055	39,328	85,711	79,299
Equity in (losses) earnings of affiliates, net	(6,115)	1,427	(1,454)	4,031
Interest income	1,548	696	2,752	1,411
Interest expense	(11,774)	(15,973)	(26,068)	(27,390)
Non-operating pension and postretirement benefit income, net	29,815	50,871	61,660	101,376
Gain (loss) on marketable equity securities, net	78,648	(165,540)	96,670	(118,628)
Other income, net	15,794	1,176	18,877	4,052
Income (Loss) Before Income Taxes	165,971	(88,015)	238,148	44,151
Provision for (Benefit from) Income Taxes	41,800	(21,400)	61,000	14,200
Net Income (Loss)	124,171	(66,615)	177,148	29,951
Net Income Attributable to Noncontrolling Interests	(1,383)	(870)	(2,088)	(1,812)
Net Income (Loss) Attributable to Graham Holdings Company Common Stockholders	$ 122,788	$ (67,485)	$ 175,060	$ 28,139
Per Share Information Attributable to Graham Holdings Company Common Stockholders
Basic net income (loss) per common share (in USD per share)	$ 25.96	$ (13.95)	$ 36.78	$ 5.76
Basic average number of common shares outstanding (in shares)	4,700	4,842	4,729	4,857
Diluted net income (loss) per common share (in USD per share)	$ 25.89	$ (13.95)	$ 36.67	$ 5.74
Diluted average number of common shares outstanding (in shares)	4,713	4,842	4,744	4,870
Services [Member]
Operating Revenues
Operating Revenues	$ 625,219	$ 563,113	$ 1,212,082	$ 1,120,682
Operating Costs and Expenses
Cost of services and goods	363,030	329,702	719,972	654,683
Goods [Member]
Operating Revenues
Operating Revenues	479,780	370,189	924,463	727,341
Operating Costs and Expenses
Cost of services and goods	$ 404,824	$ 302,126	$ 775,096	$ 592,646

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.