XML 31 R47.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Commitments and Contingencies (Details 2) (USD $) | 12 Months Ended | 1 Months Ended
--- | --- | ---
Dec. 31, 2014 | May 31, 2014
Agreements with Executive Officers and Key Employees |  |
Future minimum commitments under agreements with executive officers and key employees |  |
2015 | $ 5,815,000 int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearOne / us-gaap_LossContingenciesByNatureOfContingencyAxis = int_AgreementsWithExecutiveOfficersAndKeyEmployeesMember |
2016 | 1,540,000 int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearTwo / us-gaap_LossContingenciesByNatureOfContingencyAxis = int_AgreementsWithExecutiveOfficersAndKeyEmployeesMember |
2017 | 750,000 int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearThree / us-gaap_LossContingenciesByNatureOfContingencyAxis = int_AgreementsWithExecutiveOfficersAndKeyEmployeesMember |
2018 | 2,250,000 int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearFour / us-gaap_LossContingenciesByNatureOfContingencyAxis = int_AgreementsWithExecutiveOfficersAndKeyEmployeesMember |
Total | 10,355,000 int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployees / us-gaap_LossContingenciesByNatureOfContingencyAxis = int_AgreementsWithExecutiveOfficersAndKeyEmployeesMember |
Kasbar agreement |  |
Loss contingencies |  |
Annual base salary | 750,000 int_LossContingencyAnnualBaseSalaryUnderAgreement / us-gaap_LossContingenciesByNatureOfContingencyAxis = int_KasbarAgreementMember |
Term of extension in expiration period under the specified condition | 1 year |
Minimum period prior to expiration of the term for serving specified notice to prevent extension of the agreement term | 1 year |
Severance payment for termination following a change of control | 5,000,000 int_LossContingencySeverancePaymentForEmploymentTerminationFollowingChangeOfControl / us-gaap_LossContingenciesByNatureOfContingencyAxis = int_KasbarAgreementMember |
Severance payment for termination following other scenarios | 3,000,000 int_LossContingencySeverancePaymentForEmploymentTerminationFollowingOtherScenarios / us-gaap_LossContingenciesByNatureOfContingencyAxis = int_KasbarAgreementMember |
Period for severance payment after termination of executive's employment | 2 years |
Stebbins agreement |  |
Executive Non-renewal Charge |  |
Charges in connection with the non-renewal of agreement |  | 4,800,000 int_SeveranceTerminationCosts / us-gaap_LossContingenciesByNatureOfContingencyAxis = int_StebbinsAgreementMember
Non-cash expenses related to stock award compensation |  | 1,100,000 int_SeveranceCostsNonCash / us-gaap_LossContingenciesByNatureOfContingencyAxis = int_StebbinsAgreementMember
Accrued expenses and other current liabilities | Stebbins agreement |  |
Executive Non-renewal Charge |  |
Unpaid amount of cash portion of the executive non-renewal charge | 900,000 int_SeveranceCostsCashAccrual / us-gaap_BalanceSheetLocationAxis = int_AccruedExpensesAndOtherCurrentLiabilitiesMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = int_StebbinsAgreementMember |
Other long-term liabilities | Stebbins agreement |  |
Executive Non-renewal Charge |  |
Unpaid amount of cash portion of the executive non-renewal charge | $ 2,300,000 int_SeveranceCostsCashAccrual / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherNoncurrentLiabilitiesMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = int_StebbinsAgreementMember |

X
- Details
Name: | int_ExecutiveNonRenewalChargeAbstract
Namespace Prefix: | int_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate estimated commitment expense expected to be paid by the entity for succeeding fiscal years. + References No definition available. + Details
Name: | int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployees
Namespace Prefix: | int_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract
Namespace Prefix: | int_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of commitment expense expected to be paid during year four of the five succeeding fiscal years. + References No definition available. + Details
Name: | int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearFour
Namespace Prefix: | int_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of commitment expense expected to be paid during year one of the five succeeding fiscal years. + References No definition available. + Details
Name: | int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearOne
Namespace Prefix: | int_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of commitment expense expected to be paid during year three of the five succeeding fiscal years. + References No definition available. + Details
Name: | int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearThree
Namespace Prefix: | int_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of commitment expense expected to be paid during year two of the five succeeding fiscal years. + References No definition available. + Details
Name: | int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearTwo
Namespace Prefix: | int_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the term of extension in the expiration period of the agreement. + References No definition available. + Details
Name: | int_LossContingencyAgreementExpirationTermExtensionUnderSpecifiedCondition
Namespace Prefix: | int_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the minimum period prior to expiration of the term for serving the specified notice to prevent extension of the agreement term. + References No definition available. + Details
Name: | int_LossContingencyAgreementMinimumPeriodPriorToExpirationTermForServingSpecifiedNoticeToPreventExtensionOfAgreementTerm
Namespace Prefix: | int_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the annual base salary under the agreement. + References No definition available. + Details
Name: | int_LossContingencyAnnualBaseSalaryUnderAgreement
Namespace Prefix: | int_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the period for severance payment after termination of the executive's employment under the agreement. + References No definition available. + Details
Name: | int_LossContingencyPeriodForSeverancePaymentAfterTerminationOfExecutivesEmployment
Namespace Prefix: | int_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amount of severance payment for termination of the executive's employment following a change in control under the agreement. + References No definition available. + Details
Name: | int_LossContingencySeverancePaymentForEmploymentTerminationFollowingChangeOfControl
Namespace Prefix: | int_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the amount of severance payment for termination of the executive's employment following other scenarios. + References No definition available. + Details
Name: | int_LossContingencySeverancePaymentForEmploymentTerminationFollowingOtherScenarios
Namespace Prefix: | int_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the unpaid amount of cash severance expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a severance arrangement. + References No definition available. + Details
Name: | int_SeveranceCostsCashAccrual
Namespace Prefix: | int_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the amount of non-cash expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a severance arrangement. + References No definition available. + Details
Name: | int_SeveranceCostsNonCash
Namespace Prefix: | int_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a severance arrangement. + References No definition available. + Details
Name: | int_SeveranceTerminationCosts
Namespace Prefix: | int_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=int_AccruedExpensesAndOtherCurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=int_AgreementsWithExecutiveOfficersAndKeyEmployeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=int_KasbarAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=int_StebbinsAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |