Description of Business and Significant Accounting Policies - Narrative (Details) $ in Thousands	12 Months Ended
Sep. 30, 2023 USD ($) numberOfEmployees	Oct. 01, 2022 USD ($)	Oct. 02, 2021 USD ($)
Disaggregation of Revenue [Line Items]
Entity Number of Employees \| numberOfEmployees	25,000
Cash Equivalents, at Carrying Value	$ 33,500	$ 88,700
Exchange gains (losses) on foreign currency transactions	(1,800)	(700)	$ (1,100)
Forward currency exchange contracts treated as cash flow hedges and recorded in accumulated other comprehensive loss	1,100	(5,000)	$ (2,200)
Fair value of debt	374,300	401,600
Carrying value of debt	$ 383,000	$ 413,000
Engineering Design and Development Services
Disaggregation of Revenue [Line Items]
Percentage of consolidated net sales (less than)	5.00%	5.00%	5.00%

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- Definition

Sales revenue service net percentage.

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- Definition

Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- 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.

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Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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