Sales revenue service net percentage.

No definition available.

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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.

+ References

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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.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity.

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Description of Business and Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018	Sep. 29, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Retained earnings	$ 1,295,079	$ 1,178,677		$ 1,177,600
Exchange gains (losses) on foreign currency transactions	(400)	500	$ 1,200
Forward currency exchange contracts treated as cash flow hedges and recorded in accumulated other comprehensive loss	1,831	1,050	$ (3,942)
Fair value of debt	299,300	252,300
Carrying value of debt	$ 288,000	$ 245,000
ASU 2014-09 \| Adjustments due to the adoption of ASU 2014-09
Disaggregation of Revenue [Line Items]
Retained earnings					$ 7,800
Engineering Design and Development Services
Disaggregation of Revenue [Line Items]
Percentage of consolidated net sales (less than)	5.00%	5.00%	5.00%