Exhibit 11 Computation of Earnings Per Common and Common Equivalent Share (In thousands except per share amounts) Quarters Ended Six Months Ended September 29 October 1 September 29 October 1 1996 1995 1996 1995 Primary calculation: Net income $13,637 $11,186 $24,774 $21,251 ======= ======= ======= ======= Weighted average shares outstanding during the period 13,002 12,964 12,976 13,126 Shares issuable in connection with stock plans less shares purchasable with proceeds using the average per share purchase price for the respective periods as shown below 419 418 407 353 ------- ------- ------- ------- Total common and common equivalent shares - primary 13,421 13,382 13,383 13,479 ======= ======= ======= ======= Primary earnings per common and common equivalent share $ 1.02 $ .84 $ 1.85 $ 1.58 ======= ======= ======= ======= Average share price for the period $ 49.65 $ 45.41 $ 48.24 $ 41.55 ======= ======= ======= ======= Fully diluted calculation: Net income $13,637 $11,186 $24,774 $21,251 ======= ======= ======= ======= Weighted average shares outstanding during the period 13,002 12,964 12,976 13,126 Shares issuable in connection with stock plans less shares purchasable with proceeds using the higher of the average or period end share price as shown below 455 441 460 431 ------- ------- ------- ------- Total common and common equivalent shares - fully diluted 13,457 13,405 13,436 13,557 ======= ======= ======= ======= Fully diluted earnings per common and common equivalent share $ 1.01 $ .83 $ 1.84 $ 1.57 ======= ======= ======= ======= Higher of average or period end share price $ 52.38 $ 47.00 $ 52.38 $ 47.00 ======= ======= ======= =======