XML 124 R55.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Schedule of Share-based Compensation Expense (Parenthetical) (Detail) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |  |  |
Special charges | $ 3,634,000 | $ 1,750,000 | $ 5,061,000 | $ 10,445,000 | $ 0 | $ 16,339,000
Restricted shares expense acceleration |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |  |  |
Special charges |  |  |  |  |  | 200,000
Share based awards, value of shares forfeited |  |  |  | 0 |  | 1,200,000
Option expense acceleration |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |  |  |
Special charges |  |  |  |  |  | 100,000
Options, value of shares forfeited |  |  |  | $ 0 |  | $ 200,000

X
- Definition Share Based Compensation Arrangement by Options Value Of Shares Forfeited + References No definition available. + Details
Name: | fcn_ShareBasedCompensationArrangementByOptionsValueOfSharesForfeited
Namespace Prefix: | fcn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Value of Awards Forfeited + References No definition available. + Details
Name: | fcn_SharebasedCompensationArrangementBySharebasedPaymentAwardValueOfAwardsForfeited
Namespace Prefix: | fcn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The charge against earnings in the period, comprised of costs associated with non-recurring activities related to our global branding strategy and other strategic branding decisions, a realignment of our workforce and consolidation of office locations. + References No definition available. + Details
Name: | fcn_SpecialChargesAmount
Namespace Prefix: | fcn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fcn_SpecialChargesAmountAxis=fcn_StockOptionActivityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |