Exhibit 11 Computation of Earnings per Common and Common Equivalent Share (In thousands except per share amounts) Quarters Ended Nine Months Ended December 29 December 31 December 29 December 31 1996 1995 1996 1995 ----------- ------------ ----------- ----------- Primary calculation: Net income $ 17,225 $ 12,494 $ 39,956 $ 33,745 =========== ============= =========== =========== Weighted average shares outstanding 13,029 12,932 12,994 13,062 during the period 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 443 434 417 387 ----------- ------------ ----------- ----------- Total common and common equivalent shares - primary 13,472 13,366 13,411 13,449 =========== ============ =========== =========== Primary earnings per common and common $ 1.28 $ .93 $ 2.98 $ 2.51 equivalent share =========== ============ =========== =========== Average share price for the period $ 51.90 $ 46.72 $ 49.44 $ 43.74 =========== ============ =========== =========== Fully diluted calculation: Net income $ 17,225 $ 12,494 $ 39,956 $ 33,745 =========== ============ =========== =========== Weighted average shares outstanding during the period 13,029 12,932 12,994 13,062 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 462 492 466 477 ----------- ------------ ----------- ----------- Total common and common equivalent shares - fully diluted 13,491 13,424 13,460 13,539 =========== ============ =========== =========== Fully diluted earnings per common and common equivalent share $ 1.28 $ .93 $ 2.97 $ 2.49 =========== ============ =========== =========== Higher of average or period end share price $ 53.38 $ 50.63 $ 53.38 $ 50.63 =========== ============ =========== ===========