Basic earnings per share is based on the weighted average number of shares outstanding during each period. Diluted earnings per share further assumes that the zero coupon, convertible subordinated notes, if outstanding and dilutive, are converted as of the beginning of the period and that, under the treasury stock method, dilutive stock options are exercised. Net earnings under this assumption have been adjusted for interest on the zero coupon, convertible subordinated notes when outstanding, net of the related income tax effect.

The information required to compute basic and diluted net earnings per share is as follows:

(In thousands)	2002			2001			2000
Basic:
Weighted average number of
common shares outstanding		306,778			298,054			309,301
Diluted:
Net earnings	$	310,708		$	201,043		$	49,332
Interest expense related to
convertible notes, net of tax		4,795			7,238			-
Adjusted net earnings	$	315,503		$	208,281		$	49,332
Weighted average number of
common shares outstanding		306,778			298,054			309,301
Shares issued upon assumed
conversion of convertible notes		9,033			13,846			-
Shares issued upon assumed
exercise of stock options		6,389			4,524			1,930
Shares used in computing diluted
net earnings per common share		322,200			316,424			311,231

For 2000, the zero coupon convertible subordinated notes would have been anti-dilutive, and therefore the shares (23.0 million) and related interest expense ($12.1 million) were excluded from our calculation of diluted earnings per share. Options to purchase 17.5 million shares of common stock were not included in our computation of diluted earnings per share for 2002 because their effect would have been anti-dilutive.