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1. Basis of Presentation and Use of Estimates Immaterial Errors (Details) (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Payments for Acquisitions, Net of Cash Received, and Long-Term Investments | $ 1,364,000 | $ 64,056,000
Payments of contingent consideration | 0 | 10,574,000
Payments to Suppliers and Employees | 468,101,000 | 460,093,000
Payments for (proceeds from) derivative instruments, operating activities | 1,325,000 | (3,943,000)
Scenario, Previously Reported [Member] | Immaterial Error [Member] |  |
Payments for Acquisitions, Net of Cash Received, and Long-Term Investments |  | (11,000,000)
Payments for (Proceeds from) Derivative Instrument, Investing Activities |  | (3,900,000)
Restatement Adjustment [Member] | Immaterial Error [Member] |  |
Payments of contingent consideration |  | 10,600,000
Payments to Suppliers and Employees |  | 400,000
Payments for (proceeds from) derivative instruments, operating activities |  | $ 3,900,000

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- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
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- Definition Payments for (proceeds from) derivative instruments, operating activities + References No definition available. + Details
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- Definition Cash payments to suppliers for goods and services provided and to employees for services provided. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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