Receivables (Narrative) (Details) - USD ($) $ in Thousands	Oct. 02, 2021	Oct. 03, 2020
Accounts, Notes, Loans and Financing Receivable
Unbilled receivables	$ 546,764	$ 493,734
United States
Accounts, Notes, Loans and Financing Receivable
Amounts billed for over-time contract receivable to US Government	11,330	10,286
United States \| Government
Accounts, Notes, Loans and Financing Receivable
Unbilled receivables	32,245	34,223
Boeing
Accounts, Notes, Loans and Financing Receivable
Receivables from customers	209,653	249,424
Lockheed Martin
Accounts, Notes, Loans and Financing Receivable
Receivables from customers	$ 88,744	$ 79,015

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- Definition

The amount of receivables that are derived from government contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 912
-SubTopic 310
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=123371682&loc=d3e55295-109406

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- Definition

Amount due from customers for fees and charges arising from transactions related to the entity's brokerage activities and operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 310
-URI http://asc.fasb.org/subtopic&trid=2176284

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- Definition

Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3(c)(3))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 912
-SubTopic 310
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123371682&loc=d3e55302-109406

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