Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Document and Entity Information

v2.4.0.6
Document and Entity Information
12 Months Ended
Mar. 31, 2012
Document and Entity Information [Abstract]  
Entity Registrant Name JAMES HARDIE INDUSTRIES SE
Entity Central Index Key 0001159152
Document Type 20-F
Document Period End Date Mar. 31, 2012
Amendment Flag false
Document Fiscal Year Focus 2012
Document Fiscal Period Focus FY
Current Fiscal Year End Date --03-31
Entity Well-known Seasoned Issuer Yes
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding 437,175,963