| Component: (Network and Table) | |
|---|---|
| Network | 176 - Disclosure - Income Taxes (Schedule of Reconciliation of Statutory Federal Income Tax Rate and Effective Tax Rate for Continuing Operations) (Detail) (http://www.aceto.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfReconciliationOfStatutoryFederalIncomeTaxRateAndEffectiveTaxRateForContinuingOperations) |
| Table | Income Taxes [Table] |
| Reporting Entity [Axis] | 0000002034 (http://www.sec.gov/CIK) |
| Legal Entity [Axis] | Entity [Domain] |
| Income Taxes [Line Items] | Period [Axis] | ||
|---|---|---|---|
2011-07-01 - 2012-06-30 | 2010-07-01 - 2011-06-30 | 2009-07-01 - 2010-06-30 | |
Federal statutory tax rate | .350 | .350 | .340 |
State and local taxes, net of federal income tax benefit | .030 | .024 | .021 |
Decrease (increase) in valuation allowance | .002 | (.004) | .005 |
Foreign tax rate differential | (.030) | (.044) | (.031) |
Impact of repatriation of non-US earnings | (.021) | .153 | |
Other | (.017) | (.008) | .020 |
Effective tax rate | .314 | .471 | .355 |