Rendering

Component: (Network and Table)
Network
2419403 - Disclosure - Inventory (Other Disclosures) (Details)
(http://www.emcore.com/role/InventoryOtherDisclosuresDetails)
TableExtraordinary Items [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000808326 (http://www.sec.gov/CIK)
Extraordinary Item [Axis]Natural Disasters and Other Casualty Events [Member]
Extraordinary Item [Line Items]Period [Axis]
2011-10-01 - 2012-09-30
Inventory, damaged by Thailand flood, loss (recovery)
3,700,000