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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | ||
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Apr. 28, 2012
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Apr. 30, 2011
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Jul. 30, 2011
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| Significant Accounting Policies [Line Items] | |||
| Unrecognized tax benefits (including accrued interest and penalties) | $ 11.3 | $ 21.9 | |
| Estimated decrease in unrecognized tax benefits, over the next twelve months | (4.8) | ||
| Decrease in liability for uncertain tax position primarily as a result of the settlement of federal income tax audits | $ 10.6 | ||
| Anti-dilutive options and/or contingent vesting of performance-based and market-based restricted stock units that were excluded from diluted share calculations | 3.2 | 3.6 | |
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- Details
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- Definition
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net amount of all increases and decreases in unrecognized tax benefits for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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