XML 46 R27.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Description Of Business And Basis Of Presentation (Tables) | 12 Months Ended
--- | ---
Sep. 29, 2017
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Revenues Realized from Each of These Types of Contracts | The percentage of revenues realized from each of these types of contracts for the fiscal years ended September 29, 2017, September 30, 2016 and October 2, 2015 was as follows:
|  | For the Year Ended |
|  | September 29, 2017 |  |  | September 30, 2016 |  |  | October 2, 2015 |
Cost-reimbursable |  |  | 81% |  |  |  | 82 | % |  |  | 83 | %
Fixed-price |  |  | 19% |  |  |  | 18 | % |  |  | 17 | %

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

X
- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9031-108599 + Details
Name: | us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration