Computation of Earnings Per Share - Calculations Of Basic And Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Numerator:
Net income used for calculating basic and diluted income per share	$ 729,231	$ 1,253,715	$ 882,466
Denominator:
Weighted average common shares used in the calculation of basic income per share (in shares)	75,355	77,785	79,004
Dilutive effect of outstanding awards associated with stock-based compensation plans (in shares)	250	553	676
Shares used in the calculation of diluted income per share (in shares)	75,605	78,338	79,680
Earnings per share
Basic (in dollars per share)	$ 9.68	$ 16.12	$ 11.17
Diluted (in dollars per share)	$ 9.65	16.00	$ 11.08
Sale of intellectual property, income tax benefit (in dollars per share)		$ 2.08