Net Income Per Common Share

The computation of basic net income per common share for all periods presented is derived from the information on the consolidated statements of income, and there are no reconciling items in the numerator used to compute diluted net income per common share. The following table summarizes the computation of basic and diluted net income per common share:



	Years Ended
(In thousands, except per share amounts)	March 31, 2018		April 1, 2017		April 2, 2016
Net income available to common stockholders	$	512,381	$	622,512	$	550,867
Weighted average common shares outstanding-basic	249,595		252,301		257,184
Dilutive effect of employee equity incentive plans	2,754		2,284		2,260
Dilutive effect of 2017 Convertible Notes and warrants	5,611		14,228		9,223
Weighted average common shares outstanding-diluted	257,960		268,813		268,667
Basic earnings per common share	$	2.05	$	2.47	$	2.14
Diluted earnings per common share	$	1.99	$	2.32	$	2.05

The total shares used in the denominator of the diluted net income per common share calculation include potentially dilutive common equivalent shares outstanding that are not included in basic net income per common share calculation. The diluted shares were calculated by applying the treasury stock method to the impact of the equity incentive plans, the incremental shares issuable assuming conversion of the Company's $600.0 million principal amount of 2.625% convertible notes issued in June 2010 (2017 Convertible Notes), before its maturity on June 15, 2017, and exercise of warrants on a weighted-average outstanding basis, before the final settlements during the third quarter of fiscal 2018. The 2017 Convertible Notes matured during the first quarter of fiscal 2018, and the Company exercised its call options to neutralize the dilutive effect of the incremental shares from the 2017 Convertible Notes. Because the number of diluted shares in the above table for the 12 months ended March 31, 2018 was calculated based on a weighted-average outstanding basis, it included approximately 1.5 million shares of dilutive impact from the 2017 Convertible Notes through the maturity date and 4.1 million shares of dilutive impact from warrants before the settlement. See "Note 12. Debt and Credit Facility" for more discussion of the Company's debt, call options and warrants.

Outstanding stock options and RSUs under the Company's stock award plans to purchase approximately 3.7 million, 2.6 million and 4.6 million shares, for fiscal 2018, 2017 or 2016 respectively, were excluded from diluted net income per common share by applying the treasury stock method, as their inclusion would have been antidilutive. These options and RSUs could be dilutive in the future if the Company's average share price increases and is greater than the combined exercise prices and the unamortized fair values of these options and RSUs.