text: HealthSouth Names John Workman CFO  CHICAGO (Reuters) - HealthSouth Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=HLSH.PK target=/stocks/quickinfo/fullquote"&gt;HLSH.PK&lt;/A&gt;, an  operator of rehabilitation, diagnostic imaging and surgery  centers, on Tuesday said it hired the former chief executive of  U.S. Can Co. to be its chief financial officer.