| Component: (Network and Table) | |
|---|---|
| Network | 2401409 - Disclosure - Business and Summary of Significant Accounting Policies Expected Future Amortization Expense for Purcahsed Technologies, Customer Relationships and Trade Names (Details) (http://www.usa.autodesk.com/role/BusinessAndSummaryOfSignificantAccountingPoliciesExpectedFutureAmortizationExpenseForPurcahsedTechnologiesCustomerRelationshipsAndTradeNamesDetails) |
| Table | Expected Amortization Expense [Table] |
| Reporting Entity [Axis] | 0000769397 (http://www.sec.gov/CIK) |
| Legal Entity [Axis] | Entity [Domain] |
| Expected Amortization Expense [Line Items] | Period [Axis] |
|---|---|
2011-02-01 - 2012-01-31 | |
2013 | 65,700,000 |
2014 | 47,100,000 |
2015 | 25,500,000 |
2016 | 7,900,000 |
2017 | 1,000,000 |
Thereafter | 1,600,000 |
Total | 148,800,000 |