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Goodwill and Intangibles - Schedule of Acquired Intangibles in Accompanying Consolidated Balance Sheets (Details) $ in Thousands	3 Months Ended
	Dec. 27, 2019 USD ($)
Finite-lived Intangible Assets [Roll Forward]
Balance at beginning of period	$ 665,076
Amortization	(21,845)
Foreign currency translation	2,237
Balance at the end of the period	645,468
Customer Relationships, Contracts and Backlog
Finite-lived Intangible Assets [Roll Forward]
Balance at beginning of period	622,392
Amortization	(21,081)
Foreign currency translation	2,656
Balance at the end of the period	603,967
Developed Technology Rights
Finite-lived Intangible Assets [Roll Forward]
Balance at beginning of period	40,833
Amortization	(875)
Foreign currency translation	0
Balance at the end of the period	39,958
Trade Names
Finite-lived Intangible Assets [Roll Forward]
Balance at beginning of period	1,183
Amortization	(71)
Foreign currency translation	0
Balance at the end of the period	1,112
Lease Intangible Assets
Finite-lived Intangible Assets [Roll Forward]
Balance at beginning of period	668
Amortization	182
Foreign currency translation	(419)
Balance at the end of the period	$ 431

X

- Definition

Amortization of Intangible Assets, Excluding Discontinued Operations

+ References

No definition available.

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X

- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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X

- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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