Date Form Description PDF XBRL Pages
05/09/12 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 5
05/04/12 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 4
05/02/12 10-Q Quarterly report pursuant to Section 13 or 15(d)
Documents
EX-31.1
EX-31.2
EX-32.1
 49
05/02/12 8-K Current report filing
Documents
EX-99.1
 12
04/20/12 SC TO-I Issuer tender offer statement
Documents
EX-99.(A)(1)(A)
EX-99.(A)(1)(B)
EX-99.(A)(1)(C)
EX-99.(A)(1)(D)
EX-99.(A)(1)(E)
EX-99.(A)(1)(G)
EX-99.(A)(1)(H)
 119
04/11/12 S-8 Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
Documents
EX-5.1
EX-23.1
 8
04/09/12 8-K Current report filing
Documents
EX-10.1
 13
03/30/12 ARS Annual report to security holders 1
03/30/12 8-K Current report filing 3
03/22/12 SC TO-C Written communication relating to an issuer or third party tender offer 3
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