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Recently Completed Acquisitions - Additional Information (Detail) (USD $) |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Nov. 30, 2012 | May 31, 2012 | Sep. 05, 2012 Kirker Enterprises, Inc. Minimum | Nov. 30, 2012 Synta, Inc. Entity | Sep. 21, 2012 Synta, Inc. Minimum | Nov. 30, 2012 Kirker Enterprises And Synta, Inc
Business Acquisition [Line Items] |  |  |  |  |  |  |
Expected annual sales |  |  |  | $ 100,000,000 |  | $ 40,000,000 |
Number of acquisition completed |  |  |  |  | 2 |  |
Business acquisition, preliminary fair value of goodwill | 1,120,437,000 | [1] | 849,346,000 |  |  |  | 160,900,000
Business acquisition, preliminary fair value of other intangible assets |  |  |  |  |  |  | 103,300,000
Business acquisition, preliminary fair value of contingent consideration |  |  |  |  |  |  | $ 63,500,000
[1] | Restated

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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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