SELECTED CONSOLIDATED FINANCIAL DATA

CONSOLIDATED STATEMENT OF INCOME DATA.
Years ended March 31,
(In thousands except per share amounts) 1998 1997  1996    1995      1994
Net revenues $613,593 $568,143  $560,802    $355,130     $256,448
Operating income 173,868 159,061* 165,756** 92,048*** 65,168
Income before taxes and joint
   venture		 180,596 165,758* 170,902** 94,845*** 67,436
Provision for income taxes 56,728 55,382  69,448    35,567     26,157
Net income 126,587 110,376* 101,454** 59,278*** 41,279
Net income per share:
  Basic $      1.72 $      1.52* $      1.43** $      0.85*** $      0.61
  Diluted $      1.58 $      1.39* $      1.28** $      0.80*** $      0.57
Shares used in per share calculations:
  Basic 73,741 72,816  71,092   69,414      67,963
  Diluted 80,010 79,675  78,955   74,109      72,237

*After write-off of discontinued product family of $5 million, $0.05 per basic share and $0.04 per diluted share net of tax.
**After non-recurring charge for in-process technology related to the acquisition of NeoCAD of $19,366, $0.27 per basic share and $0.25 per diluted share.
***After non-recurring charge for the write-off of a minority investment of $2,500,  $0.02 per basic and diluted shares net of tax.

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CONSOLIDATED BALANCE SHEET DATA.
Years ended March 31,
(In thousands) 1998 1997 1996 1995 1994
Working capital $474,567 $504,302 $436,070 $180,064 $143,103
Total assets 941,238 847,693 720,880 320,940 226,156
Long-term debt 250,000 250,000 250,000 867 2,195
Stockholders' equity 550,175 490,680 368,244 243,971 172,878

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QUARTERLY DATA (UNAUDITED).
Year ended March 31, 1998
First Second Third Fourth
(In thousands except per share amounts) Quarter Quarter Quarter Quarter
Net revenues $160,761 $150,272 $148,735 $153,825
Gross margin 99,855 94,224 93,067 95,757
Operating income 47,251 43,048 41,071 42,498
Net income 32,444 30,950 31,600 30,593
Net income per share
  Basic $     0.46 $     0.42 $     0.43 $     0.42
  Diluted $     0.41 $     0.38 $     0.40 $     0.39
Shares used in per share calculations:
  Basic 73,495 73,921 74,196 73,350
  Diluted 81,326 81,416 79,248 78,053
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:
  Basic $     0.45 $     0.29* $    0.36 $     0.42
  Diluted $     0.41 $     0.27* $    0.33 $     0.38
Shares used in per share calculations:
  Basic 72,176 72,853   72,931 73,305
  Diluted 78,944 79,378   79,791 80,586

*After write-off of discontinued product family of $5 million, $0.05 per basic share and $0.04 per diluted share net of tax.

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