XML 65 R49.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Commitments and Contingencies - Employment Agreements (Details) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2015
Executive Non-renewal Charge |  |
Charges in connection with the non-renewal of agreement | $ 3,800,000 |
Non-cash expenses related to stock award compensation | $ 800,000 |
Agreements with Executive Officers and Key Employees |  |
Future minimum commitments under agreements with executive officers and key employees |  |
2016 |  | $ 6,000,000
2017 |  | 1,200,000
Total |  | 7,200,000
Kasbar agreement |  |
Loss contingencies |  |
Annual base salary |  | $ 750,000
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
Severance payment for termination following other scenarios |  | $ 3,000,000
Period for severance payment after termination of executive's employment |  | 2 years
Accrued expenses and other current liabilities |  |
Executive Non-renewal Charge |  |
Unpaid amount of cash portion of the executive non-renewal charge |  | $ 800,000
Other long-term liabilities |  |
Executive Non-renewal Charge |  |
Unpaid amount of cash portion of the executive non-renewal charge |  | $ 1,900,000

X
- Definition Executive Non-renewal Charge [Abstract] + References No definition available. + 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
- References No definition available. + 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 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 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 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 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
- 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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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_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: |