v2.4.0.6

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jul. 28, 2012
Changes in Sales Return Reserve | The changes in the sales return reserve for each period are summarized below:
|  | Fiscal Years Ended |
|  | July 28, 2012 |  |  | July 30, 2011 |  |  | July 31, 2010 |
|  | (millions) |
Balance at beginning of period |  | $ | 4.6 |  |  | $ | 4.8 |  |  | $ | 1.9 |
Additions from acquisitions |  |  | 2.0 |  |  |  | — |  |  |  | 9.0 |
Additions – charged to income |  |  | 12.0 |  |  |  | 12.5 |  |  |  | 11.2 |
Adjustments and/or deductions |  |  | (11.1 | ) |  |  | (12.7 | ) |  |  | (17.3 | )
Balance at end of period |  | $ | 7.5 |  |  | $ | 4.6 |  |  | $ | 4.8 |
Reconciliation of Weighted Average Number of Common Shares Outstanding used to Calculate Basic Net Income per Common Share to Shares used in Calculating Diluted Net Income per Common Share | The weighted-average number of common shares outstanding used to calculate basic net income per common share is reconciled to those shares used in calculating diluted net income per common share as follows:
|  | Fiscal Years Ended |
|  | July 28, |  |  | July 30, |  |  | July 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (millions) |
Basic |  |  | 153.5 |  |  |  | 156.1 |  |  |  | 144.4 |
Dilutive effect of stock options, restricted stock, restricted stock units and convertible debt securities |  |  | 5.9 |  |  |  | 5.7 |  |  |  | 9.6 |
Diluted shares |  |  | 159.4 |  |  |  | 161.8 |  |  |  | 154.0 |
Property and Equipment Estimated Useful Lives | Depreciation is calculated using the straight-line method over the following estimated useful lives:
Buildings and improvements |  | 10-40 years
Distribution center equipment and machinery |  | 3-20 years
Leasehold improvements |  | Shorter of the useful life or expected term of the lease
Furniture, fixtures, and equipment |  | 2-10 years
Informational technology |  | 3-10 years

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- Definition Schedule of useful lives for property and equipment detailing the ranges of the estimated useful lives. + References No definition available. + Details
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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 260 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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