text: The Company has a shareholders’ rights plan which will 
  Black-Scholes option-pricing model, was $10.74, $11.74, and $9.70, 
  expire August 20, 2008. The plan becomes operative if certain events 
  respectively. The fair value of 2003, 2002, and 2001 options granted 
  occur involving the acquisition of 20% or more of the Company’s common 
  is estimated on the date of grant using the following assumptions: 
  stock by any person or group in a transaction not approved by the 
  dividend yield of 1.2% to 2.1%, expected volatility of 34.9% to 38.4%, 
  Company’s Board of Directors. Upon the occurrence of such an event, 
  risk-free interest rate of 4.2% to 5.4%, and an expected life of 10 to 12 
  each right entitles its holder to purchase an amount of common stock of 
  years, depending on grant date. 
  the Company with a market value of $400 for $200, unless the Board 
  The status of the Company’s stock option plans is summa- 
  authorizes the rights be redeemed. The rights may be redeemed for $0.01 