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Income Taxes	3 Months Ended
Income Taxes	Jul. 31, 2013
Income Tax Disclosure [Abstract]
Income Taxes	Note 12: Income Taxes During the three-month period ended July 31, 2013, the effective income tax rate varied from the U.S. statutory income tax rate primarily due to the domestic manufacturing deduction, partially offset by state income taxes. Within the next 12 months, it is reasonably possible that we could decrease our unrecognized tax benefits by an additional $4.6, primarily as a result of expiring statute of limitations periods.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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