Computation of Earnings Per Share - Calculations Of Basic And Diluted (Loss) Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net income used for calculating basic and diluted income per share	$ 210,545	$ 295,783
Denominator:
Weighted average number of common shares used in the calculation of basic income per share (in shares)	78,339	79,452
Dilutive effect of outstanding awards associated with stock-based compensation plans (in shares)	625	830
Shares used in the calculation of diluted income per share (in shares)	78,964	80,282
Basic income per share (in dollars per share)	$ 2.69	$ 3.72
Diluted income per share (in dollars per share)	$ 2.67	$ 3.68