Selected Consolidated Financial Data

(in thousands except per share amounts)

Consolidated Statement of Income Data:

Years ended March 31,

1996 1995 1994 1993 1992

Net revenues $560,802 $ 355,130 $ 256,448 $ 177,998 $ 135,827

Operating income 165,756* 92,048† 65,168 4,159 30,137‡

income before taxes 170,902* 94,845† 67,436 43,610 33,758‡

Provision for income taxes 69,448 35,567 26,157 16,379 12,493

Net income 101,454* 59,278† 41,279 27,231 21,265‡

Net income per share $ 1.28* $ 0.80† $ 0.57 $ 0.38 $ 0.30‡

Shares used in per share calculations 78,955 74,109 72,237 70,848 71,868

*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.

‡ After non-recurring charge for in-process technology related to the acquisition of Plus Logic of $3,507 and $0.03 per share net of tax.

Consolidated Balance Sheet Data:

1996 1995 1994 1993 1992

Working capital $436,070 $ 180,064 $143,103 $101,100 $88,414

Total assets 720,880 320,940 226,156 162,899 146,589

Long-term debt 250,000 867 2,195 3,911 4,959

Stockholders' equity 368,244 243,971 172,878 123,299 108,662

Quarterly Data (Unaudited)

Year ended March 31, 1996

First Second Third Fourth

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.

Year ended March 31, 1995

First Second Third Fourth

Quarter Quarter Quarter Quarter

Net revenues $75,150 $79,507 $91,283 $109,190

Gross margin 45,991 48,816 55,602 66,229

Operating income 18,831 18,029* 24,377 30,811

Net income 12,013 11,819* 15,573 19,873

Net income per share $ 0.16 $ 0.16* $ 0.21 $ 0.26

Shares used in per share calculations 73,023 72,843 74,778 75,798

*After non-recurring charge for the write-off of a minority investment of $2,500 and $0.02 per share net of tax.

Consolidated Statement of Income Data:

		Years ended March 31,
	1996	1995	1994	1993	1992
Net revenues	$560,802	$ 355,130	$ 256,448	$ 177,998	$ 135,827
Operating income	165,756*	92,048†	65,168	4,159	30,137‡
income before taxes	170,902*	94,845†	67,436	43,610	33,758‡
Provision for income taxes	69,448	35,567	26,157	16,379	12,493
Net income	101,454*	59,278†	41,279	27,231	21,265‡
Net income per share	$ 1.28*	$ 0.80†	$ 0.57	$ 0.38	$ 0.30‡

Shares used in per share calculations	78,955	74,109	72,237	70,848	71,868

*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.
‡ After non-recurring charge for in-process technology related to the acquisition of Plus Logic of $3,507 and $0.03 per share net of tax.

Consolidated Balance Sheet Data:

	1996	1995	1994	1993	1992

Working capital	$436,070	$ 180,064	$143,103	$101,100	$88,414
Total assets	720,880	320,940	226,156	162,899	146,589
Long-term debt	250,000	867	2,195	3,911	4,959
Stockholders' equity	368,244	243,971	172,878	123,299	108,662

Quarterly Data (Unaudited)

		Year ended March 31, 1996
	First	Second	Third	Fourth
	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.

		Year ended March 31, 1995
	First	Second	Third	Fourth
	Quarter	Quarter	Quarter	Quarter

Net revenues	$75,150	$79,507	$91,283	$109,190
Gross margin	45,991	48,816	55,602	66,229
Operating income	18,831	18,029*	24,377	30,811
Net income	12,013	11,819*	15,573	19,873

Net income per share	$ 0.16	$ 0.16*	$ 0.21	$ 0.26

Shares used in per share calculations	73,023	72,843	74,778	75,798

*After non-recurring charge for the write-off of a minority investment of $2,500 and $0.02 per share net of tax.