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Acquisitions - Additional Information (Detail) (USD $)
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3 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | ||||||
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Nov. 30, 2012
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Nov. 30, 2011
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Aug. 31, 2012
Entity
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Nov. 30, 2012
Customer Relationships
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Nov. 30, 2012
Tradenames
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Nov. 30, 2012
Technologies
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Nov. 30, 2012
Non-compete Agreements
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Aug. 31, 2012
Engineered Solutions
Entity
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Jul. 20, 2012
CrossControl
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Mar. 28, 2012
Turotest
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Aug. 31, 2012
Turotest
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Feb. 10, 2012
Jeyco
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| Business Acquisition [Line Items] | ||||||||||||
| Transaction costs related to business acquisition activities | $ 100,000 | $ 300,000 | ||||||||||
| Number of business acquisitions | 3 | |||||||||||
| Number of tuck-in acquisitions | 2 | |||||||||||
| Cash paid for business acquisitions, net of cash acquired | 83,000 | 290,000 | 40,600,000 | 8,100,000 | 20,700,000 | |||||||
| Deferred purchase price for business acquisitions | 5,300,000 | |||||||||||
| Recognition of goodwill due to acquisitions | 40,400,000 | |||||||||||
| Recognition of intangible assets due to acquisitions | $ 32,800,000 | $ 24,200,000 | $ 5,700,000 | $ 2,200,000 | $ 700,000 | |||||||