$LH SEC Filings

Filing Filed On
FORM 8-K ITEM 7.01 07 Mar 2012
FORM 8-K 22 Feb 2012
ITEM 7.01 21 Feb 2012
FORM 8-K 2011 EARNINGS RELEASE 10 Feb 2012
REGULATION FD DISCLOSURE 10 Feb 2012
FORM 8-K 18 Jan 2012
FORM 8_K 10 Jan 2012
FORM 8-K 04 Jan 2012
FORM 8-K 03 Jan 2012
FORM 8-K 21 Dec 2011
FORM 8-K 16 Dec 2011
FORM 8-K 10 Nov 2011
FORM 8-K 03 Nov 2011
FORM 8-K 20 Oct 2011
FORM 8-K 20 Oct 2011
FORM 8-K 06 Oct 2011
FORM 8-K 03 Oct 2011
FORM 8-K 14 Sep 2011
FORM 8-K 13 Sep 2011
FORM 8-K 12 Sep 2011