| Component: (Network and Table) | |
|---|---|
| Network | 2407402 - Disclosure - INVENTORIES - Schedule of Inventories (Detail) (http://www.transdigm.com/role/InventoriesScheduleOfInventoriesDetail)  | 
| Table | (Implied) | 
| Reporting Entity [Axis] | 0001260221 (http://www.sec.gov/CIK) | 
| Inventory Disclosure [Abstract] | Period [Axis] | |
|---|---|---|
2016-09-30  | 2015-09-30  | |
Inventory Disclosure [Abstract]  | ||
Raw materials and purchased component parts  | ||
Work-in-progress  | ||
Finished Goods  | ||
Total  | ||
Reserves for excess and obsolete inventory  | (  | (  | 
Inventories—net  | 724,011,000    | 591,401,000    |