XML 81 R66.htm IDEA: XBRL DOCUMENT
v3.22.4

Revenue Recognition - Schedule of Impact Due to Contract Adjustments (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Disaggregation of Revenue [Abstract] |  |  |  |
Net sales | $ (0.1) | $ (33.9) | $ 13.1 | $ 31.2
Operating income | (7.7) | (46.2) | 19.4 | 16.2
Net income | $ (5.9) | $ (35.4) | $ 14.9 | $ 12.4
Diluted earnings per share | $ (0.09) | $ (0.54) | $ 0.21 | $ 0.18

X
- Definition Increase (decrease) in earnings per share due to margin rate adjustments (in dollars per share) for contracts accounted for using the percentage of completion method. + References No definition available. + Details
Name: | osk_IncreaseDecreaseInEarningsPerShareDueToMarginRateAdjustmentsInDollarPerShare
Namespace Prefix: | osk_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase (decrease) in net income due to margin rate adjustments for contracts accounted for using the percentage of completion method. + References No definition available. + Details
Name: | osk_IncreaseDecreaseInNetIncomeDueToMarginRateAdjustments
Namespace Prefix: | osk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (decrease) in net sales due to margin rate adjustments for contracts accounted for using the percentage of completion method. + References No definition available. + Details
Name: | osk_IncreaseDecreaseInNetSalesDueToMarginRateAdjustments
Namespace Prefix: | osk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (decrease) in operating income due to margin rate adjustments for contracts accounted for using the percentage of completion method. + References No definition available. + Details
Name: | osk_IncreaseDecreaseInOperatingIncomeDueToMarginRateAdjustments
Namespace Prefix: | osk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration