Date Form Description PDF XBRL Pages
05/07/12 S-3ASR Automatic shelf registration statement of securities of well-known seasoned issuers
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EX-5.1
EX-23.1
 PDF 26
04/23/12 ARS Annual report to security holders PDF 78
04/20/12 DEFA14A Additional definitive proxy soliciting materials and Rule 14(a)(12) material PDF 4
04/20/12 DEF 14A Definitive proxy statements PDF 45
03/28/12 10-K Annual report pursuant to Section 13 and 15(d)
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EX-23.1
EX-31.1
EX-31.2
EX-32.1
 PDF Document Table XBRL XAML 71
03/08/12 8-K Current report filing
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EX-99.1
EX-99.2
 PDF 16
02/17/12 8-K/A Current report filing PDF 3
02/14/12 SC 13G Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions PDF 3
02/10/12 SC 13G/A Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions PDF 10
02/02/12 4 Statement of changes in beneficial ownership of securities PDF 2
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