The Company computes basic net income per share by dividing net income applicable to common stockholders by the weighted-average number of common shares outstanding during the period. Diluted net income per share is based upon the weighted-average number of common and common equivalent shares outstanding during the period. Only dilutive common equivalent shares that decrease the net income per share are included in the computation of diluted net income per share.

Common equivalent shares related to stock options, restricted stock units, and performance share units are calculated using the treasury stock method. Performance share units are included in the weighted-average common equivalent shares based on the number of shares that would be issued if the end of the reporting period were the end of the performance period, if the result would be dilutive.

The Company's convertible senior notes have net share settlement features requiring the Company, upon conversion, to settle the principal amount of the debt for cash and the conversion premium for cash or shares of the Company's common stock, at the Company's option. If the conversion prices for the convertible senior notes exceed the Company's average stock price for the period, the convertible senior notes generally have no impact on diluted net income per share. The Company uses the if-converted method for the convertible senior notes in the calculation of diluted net income per share.

A reconciliation of the weighted-average number of shares outstanding used in calculating diluted net income per share is as follows (in thousands):


	Three Months Ended March 31,
		2024	2023
Weighted-average number of basic common shares outstanding		34,206	37,621
Weighted-average dilutive stock options, restricted stock units, and performance share units		290	242
Assumed conversion of convertible senior notes		210	120
Weighted-average number of diluted common and common equivalent shares outstanding		34,706	37,983