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Discontinued Operations Accrued Balance (Detail) (USD $)	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total current liabilities of discontinued operations	$ 3,778,000us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent
Total long-term liabilities of discontinued operations	2,756,000us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent
Ending accrued balance as of December 31, 2014	$ 6,534,000us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities

X

- Definition

Amount classified as accrued liabilities attributable to disposal group held for sale or disposed of.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 205



-SubTopic 20



-Section 50



-Paragraph 1



-Subparagraph (a)



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- Definition

Amount classified as accrued liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 205



-SubTopic 20



-Section 50



-Paragraph 1



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- Definition

Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



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-Section 45



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-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759







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-Section 50



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