v2.4.0.6

Property and Equipment - Additional Information (Detail) (USD $) | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 31, 2012 acre sqft | Apr. 28, 2012 sqft | Apr. 28, 2012 | Jul. 28, 2012 | Jul. 30, 2011 | Jul. 31, 2010
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Sale of New York Facility, square-foot of building sold | 900,000 |  |  |  |  |  |  |  |
Sale of New York Facility, acres of land sold | 16 |  |  |  |  |  |  |  |
Sale of New York Facility, property, selling price | $ 40,000,000 |  |  |  |  |  |  |  |
Sale of New York Facility, leaseback agreement, period | Company entered into a two-year leaseback for a minor portion of the building of approximately 124,000 square-feet of office space, which is cancelable at any time subject to a 10-day notice period. |  |  |  |  |  |  |  |
Sale of New York Facility, leaseback agreement, sq. ft. leased | 124,000 |  |  |  |  |  |  |  |
Sale of New York Facility, gain on sales-leaseback of property in the fourth quarter of Fiscal 2012 | 6,900,000 |  |  |  |  |  |  |  |
Capital Expenditures, including purchase of New Jersey Office Building |  | 14,600,000 |  | 150,400,000 | [1] | 102,100,000 | [1] | 65,200,000 | [1]
Purchase of New Jersey Office Building, square-foot of building purchased |  | 137,000 |  |  |  |  |  |  |
Purchase of New Jersey Office Building, annual tax credit |  |  | 3,200,000 |  |  |  |  |  |
Purchase of New Jersey Office Building, tax credit, expiration period |  | 10 years | 10 years |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Purchase of New Jersey Office Building, annual tax credit |  |  | 32,400,000 |  |  |  |  |  |
Maximum | Over the ten year grant period |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Expected cash grants, per employee |  |  |  | 50,000 |  |  |  |  |
Expected cash grants |  |  |  | 6,000,000 |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Purchase of New Jersey Office Building, percentage of property face value limited to sale, under tax credit limitation |  | 75.00% | 75.00% |  |  |  |  |  |
Minimum | Over the ten year grant period |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Expected cash grants |  |  |  | $ 4,000,000 |  |  |  |  |
[1] | Excludes non-cash capital expenditures of $13.4 million in Fiscal 2012, $3.6 million in Fiscal 2011 and $6.5 million in Fiscal 2010.

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- Definition A general description of the nature of the existing leasing arrangements of a lessee for all operating leases including, but not limited to: (1) rental escalation clauses; (2) renewal or purchase options; (3) guarantees or indemnities, if any, (4) restrictions imposed by lease arrangements; (5) unusual provisions or conditions; (6) contingent rentals, if any; and (7) lease expiration dates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 1) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 + Details
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- Definition The difference between the sale price or salvage price and the book value of a property, plant, and equipment asset that was sold or retired during the reporting period. This element refers to the gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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- Definition The amount deducted from an entities' taxes, reflecting a percentage of an amount invested in certain assets spread over the useful life of those assets; includes deferred investment tax credits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 -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. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -Subparagraph c -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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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