Net Income per Common Share - Summary of Calculation of Basic and Diluted EPS (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Numerator:
Net income	$ 344,090	$ 258,781	$ 404,619	$ 333,786	$ 602,871	$ 738,405
Denominator:
Weighted average shares outstanding, basic	119,244		126,977		120,608	132,034
Dilutive effect of options and RSUs	828		1,089		1,113	1,213
Weighted average shares outstanding, diluted	120,072		128,066		121,721	133,247
Net income per share:
Basic	$ 2.89		$ 3.19		$ 5	$ 5.59
Diluted	$ 2.87		$ 3.16		$ 4.95	$ 5.54
Antidilutive and contingent RSUs excluded from diluted EPS	280		2		158	2

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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