Business Segments (Schedule of Revenue from External Customers by Geographic Areas) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Principal Geographical Areas Information
Revenue	$ 1,637,047	$ 1,373,681	$ 3,026,505	$ 2,620,314
Total assets	5,361,142		5,361,142		$ 5,160,422
United States
Principal Geographical Areas Information
Revenue	1,486,493	1,233,387	2,753,463	2,341,093
Total assets	4,743,863		4,743,863		4,604,866
Foreign and U.S. territories
Principal Geographical Areas Information
Revenue	150,554	$ 140,294	273,042	$ 279,221
Total assets	$ 617,279		$ 617,279		$ 555,556

Amount of asset recognized for present right to economic benefit.

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+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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