EXHIBIT 11
Computation of weighted average number of shares of common stock
For the three months ended For the nine months ended
-------------------------- -------------------------
September September September September
1997 1998 1997 1998
------- ------- ------- -------
Shares outstanding at
beginning of period ............... 14,999 15,077 14,989 15,037
Weighted average shares
issued and repurchased ............ (12) 25 6 28
------- ------- ------- -------
Shares used in the
calculation of basic EPS
(weighted average shares
outstanding) ...................... 14,987 15,102 14,995 15,065
Effect of dilutive
securities ........................ 232 259 226 235
------- ------- ------- -------
Shares used in the
calculation of diluted
EPS ............................... 15,219 15,361 15,221 15,300
======== ======= ======= =======