$DHX SEC Filings

Filing Filed On
PROSPECTUS SUPPLEMENT 10 May 2011
PRELIMINARY PROSPECTUS SUPPLEMENT 10 May 2011
FINAL PROSPECTUS SUPPLEMENT 16 Feb 2011
PRELIMINARY PROSPECTUS SUPPLEMENT 15 Feb 2011
FINAL PROSPECTUS SUPPLEMENT 10 Dec 2010
PROSPECTUS SUPPLEMENT 03 Dec 2010