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Acquisitions (Details) (USD $) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Jun. 06, 2011 | Aug. 19, 2010
Business Acquisition [Line Items] |  |  |  |  |
Maximum potential cash payment |  |  |  | $ 40,000,000 | $ 11,000,000
Period of Additional Payments to Sellers | 4 |  |  |  |
Earn-out obligation adjustment | (183,000) | 4,337,000 | 2,486,000 |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangibles | 115,804,000 | 120,884,000 |  |  |
Acquisition date fair value of earn-out obligation | 9,062,000 | 9,098,000 |  |  |
Earn Out Obligations Fair Value Disclosure | 9,062,000 | 9,098,000 |  |  |
Trade Name [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Useful Life of intangible assets | 8 years 4 months 24 days |  |  |  |
WBI [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Earn-out obligations, less current portion | 9,100,000 |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Earn-out payments | $ 219,000 | $ 7,100,000 |  |  |

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- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Total of the portions of the carrying amounts as of the balance sheet date of payments to the acquired entity's sellers for achieving certain financial performance targets, which is earn-out obligations initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any. + References No definition available. + Details
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- Definition This element represents recognized liabilities arising from a contingency assumed in a business combination. + References No definition available. + Details
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- Definition Represents the amount of time the entity will pay additional payments for certain financial performance targets to the seller of acquired entity. + References No definition available. + Details
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