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Purchase of Beall Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified | 1 Months Ended
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Feb. 04, 2013
Acquired Finite and Indefinite Lived Intangible Assets By Major Class [Line Items] |
Intangible assets preliminarily, Amount | $ 8,860 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Tradenames and Trademarks |
Acquired Finite and Indefinite Lived Intangible Assets By Major Class [Line Items] |
Intangible assets preliminarily, Amount | 1,622 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 20 years
Technology |
Acquired Finite and Indefinite Lived Intangible Assets By Major Class [Line Items] |
Intangible assets preliminarily, Amount | 1,217 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 8 years
Customer relationships |
Acquired Finite and Indefinite Lived Intangible Assets By Major Class [Line Items] |
Intangible assets preliminarily, Amount | $ 6,021 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 8 years

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition The amount of identifiable intangible assets recognized as of 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=39739317&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 + Details
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