Restatement - Summary of the Impact to Pretax Income (Loss) from Continuing Operations by Reporting Period (Footnote) (Details) - Rocketdyne Business [Member]	12 Months Ended
Nov. 30, 2015 contract_amendment contract
Purchase Accounting [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Number of contracts acquired \| contract	3
Contract Accounting [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Number of contract amendments \| contract_amendment	1

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.

No definition available.

Name:	us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration