|
Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | ||
|---|---|---|---|
|
Oct. 27, 2012
|
Oct. 29, 2011
|
Jul. 28, 2012
|
|
| Summary Of Significant Accounting Policies [Abstract] | |||
| Unrecognized tax benefits (including accrued interest and penalties) | $ 50.7 | $ 61.7 | |
| Decrease in liability for uncertain tax positions | 11.0 | ||
| Estimated decrease in unrecognized tax benefits, over the next twelve months | $ 6.8 | ||
| Anti-dilutive options and/or contingent vesting of performance-based and market-based restricted stock units that were excluded from diluted share calculations | 3.1 | 6.4 | |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- 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
|
| X | ||||||||||
|
- Definition
The current portion of the amount recognized for uncertain tax positions as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- 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
|