Toro Earnings Rise; Dividend Doubled  CHICAGO (Reuters) - Lawn-care equipment maker Toro Co.  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=TTC.N target=/stocks/quickinfo/fullquote"&gt;TTC.N&lt;/A&gt; on Wednesday reported stronger-than-expected quarterly  earnings and doubled its dividend, citing increased sales and  its streamlining efforts.