Selected Consolidated Information

CONSOLIDATED STATEMENT OF INCOME DATA

	*Years ended March 31,*
*In thousands except per share amounts*		1997	1996	1995	1994	1993

Net revenues		$568,143	$560,802	$355,130	$256,448	$177,998
Operating income		159,061*	165,756**	92,048***	65,168	41,586
Income before taxes		165,758*	170,902**	94,845***	67,436	43,610
Provision for income taxes		55,382	69,448	35,567	26,157	16,379
Net income		110,376*	101,454**	59,278***	41,279	27,231
Net income per share		$ 1.39*	$ 1.28**	$ 0.80***	$ 0.57	$ 0.38
Shares used in per share calculations		79,675	78,955	74,109	72,237	70,848

*After write-off of discontinued product family of $5 million and $0.04 per share net of tax.
**After non-recurring charge for in-process technology related to the acquisition of NeoCAD of $19,366 and $0.25 per share.
***After non-recurring charge for the write-off of a minority investment of $2,500 and $0.02 per share net of tax.

CONSOLIDATED BALANCE SHEET DATA

*In thousands*	1997	1996	1995	1994	1993

Working capital	$504,302	$436,070	$180,064	$143,103	$101,100
Total assets	847,693	720,880	320,940	226,156	162,899
Long-term debt	250,000	250,000	867	2,195	3,911
Stockholders' equity	490,680	368,244	243,971	172,878	123,299

QUARTERLY DATA (UNAUDITED)
	*Year ended March 31, 1997*
		*First*	*Second*	*Third*	*Fourth*
*In thousands except per share amounts*		*Quarter*	*Quarter*	*Quarter*	*Quarter*

Net revenues		$150,200	$130,579	$135,587	$151,777
Gross margin		96,875	74,921*	83,431	93,579
Operating income		49,490	29,464*	36,903	43,204
Net income		32,492	21,218*	26,223	30,443
Net income per share		$ 0.41	$ 0.27*	$ 0.33	$ 0.38
Shares used in per share calculations		78,944	79,378	79,791	80,586

*After write-off of discontinued product family of $5 million and $0.04 per share net of tax.

	*Year ended March 31, 1996*
		*First*	*Second*	*Third*	*Fourth*
*In thousands except per share amounts*		*Quarter*	*Quarter*	*Quarter*	*Quarter*

Net revenues		$125,760	$141,212	$144,123	$149,707
Gross margin		77,254	89,598	92,451	98,307
Operating income		18,069*	45,675	49,318	52,694
Net income		5,548*	29,826	32,190	33,890
Net income per share		$ 0.07*	$ 0.37	$ 0.41	$ 0.43
Shares used in per share calculations		77,489	79,601	79,106	79,622

*After non-recurring charge for in-process technology related to the acquisition of NeoCAD of $19,366 and $0.25 per share.