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v2.4.1.9

Components of Debt Obligations (Parenthetical) (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
6 3/4 % Senior Notes Due 2020 |  |
Debt Instrument [Line Items] |  |
Interest percentage | 6.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = fcn_SixAndThreeFourthsPercentSeniorNotesDueTwoThousandTwentyMember | 6.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = fcn_SixAndThreeFourthsPercentSeniorNotesDueTwoThousandTwentyMember
Debt maturity period | 2020 | 2020
6.0% Senior Notes Due 2022 |  |
Debt Instrument [Line Items] |  |
Interest percentage | 6.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = fcn_SeniorNotesSixPointZeroPercentDueTwentyTwentyTwoMember | 6.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = fcn_SeniorNotesSixPointZeroPercentDueTwentyTwentyTwoMember
Debt maturity period | 2022 | 2022

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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