Income Taxes (Details) (USD $) In Millions, unless otherwise specified	Apr. 25, 2015	Jul. 26, 2014
Operating Loss Carryforwards [Line Items]
Income taxes payable		$ 5.2us-gaap_TaxesPayableCurrent
Unrecognized tax benefit	2.4us-gaap_UnrecognizedTaxBenefits	2.4us-gaap_UnrecognizedTaxBenefits
Payment of interest and penalties accrued	0.9	0.8
Other Assets
Operating Loss Carryforwards [Line Items]
Income taxes receivable	$ 3.2	$ 2.2

Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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