Earnings per Share Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Earnings Per Share [Abstract]
Net Income (Loss) Attributable to Parent	$ 106,490	$ 145,449	$ 338,970	$ 430,256
Dilutive Securities, Effect on Basic Earnings Per Share [Abstract]
Weighted Average Number of Shares Outstanding, Basic	26,544	27,644	26,895	27,857
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Dilutive Securities	644	890	618	846
Diluted Weighted Average Number of Shares Outstanding	27,188	28,534	27,513	28,703
Earnings Per Share, Basic	$ 4.01	$ 5.26	$ 12.60	$ 15.45
Earnings Per Share, Diluted	$ 3.92	$ 5.10	$ 12.32	$ 14.99
Anti-dilutive stock equivalent awards not included in the calculation of diluted loss per share	0	0	0	0