XML 75 R79.htm IDEA: XBRL DOCUMENT
v3.20.1

Guarantee Arrangements - Schedule of Provision for Losses on Customer Guarantees (Details1) - Indirect Guarantee of Deferred Payment and Lease Payment Agreements - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019
Guarantee Obligations [Line Items] |  |  |  |
Balance at beginning of period | $ 16.0 | $ 10.1 | $ 15.8 | $ 10.4
Provision for new credit guarantees | 1.7 | 3.1 | 3.2 | 4.4
Changes for pre-existing guarantees, net | 1.4 | 1.0 | 1.4 | 0.1
Amortization of previous guarantees | (2.8) | (1.3) | (4.2) | (2.0)
Foreign currency translation | (0.1) |  |  |
Balance at end of period | $ 16.2 | $ 12.9 | $ 16.2 | $ 12.9

X
- Definition Represents the reduction in the provision for losses related to the amortization of previous guarantees. + References No definition available. + Details
Name: | osk_GuaranteeObligationsAmortizationOfPreviousGuarantees
Namespace Prefix: | osk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase or decrease in guarantee obligations liability due to currency translation. + References No definition available. + Details
Name: | osk_GuaranteeObligationsCurrencyTranslationIncreaseDecrease
Namespace Prefix: | osk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the reserve to cover probable loss on account of customer guarantee obligations as of the balance sheet date. + References No definition available. + Details
Name: | osk_GuaranteeObligationsLossProvision
Namespace Prefix: | osk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the aggregate increase or decrease in the liability during the reporting period for accruals related to preexisting guarantee obligations. + References No definition available. + Details
Name: | osk_GuaranteeObligationsPreexistingIncreaseDecrease
Namespace Prefix: | osk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the provision for loss on customer guarantee obligations attributable to new guarantees issued during the period. + References No definition available. + Details
Name: | osk_GuaranteeObligationsProvisionForLossNewGuarantees
Namespace Prefix: | osk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_GuaranteeObligationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_GuaranteeObligationsByNatureAxis=osk_IndirectGuaranteeOfDeferredPaymentAndLeasePaymentAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |