XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.20.2

Revenue Recognition - Schedule of Changes Within Defense Segment Due to Contract Adjustments (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | $ 4.5 | $ (0.4) | $ 28.2 | $ 55.7
Operating income | 1.6 | (10.5) | 15.2 | 37.6
Net income | $ 1.2 | $ (8.2) | $ 11.6 | $ 28.9
Diluted earnings per share | $ 0.02 | $ (0.12) | $ 0.17 | $ 0.41

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: | num: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
- 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_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration