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Goodwill and Intangibles - Schedule of Acquired Intangibles in Accompanying Consolidated Balance Sheets (Details) $ in Thousands	3 Months Ended
	Dec. 28, 2018 USD ($)
Finite-Lived Intangible Assets and Liabilites [Line Items]
September 28, 2018	$ 572,952
Amortization	(18,671)
Disposal	100
Foreign currency translation	(2,351)
December 28, 2018	552,030
Customer relationships, contracts and backlog
Finite-Lived Intangible Assets and Liabilites [Line Items]
September 28, 2018	568,261
Amortization	(18,078)
Disposal	0
Foreign currency translation	(2,375)
December 28, 2018	547,808
Trade Name
Finite-Lived Intangible Assets and Liabilites [Line Items]
September 28, 2018	2,102
Amortization	(444)
Disposal	0
Foreign currency translation	24
December 28, 2018	1,682
Lease Intangible Assets
Finite-Lived Intangible Assets and Liabilites [Line Items]
September 28, 2018	2,527
Amortization	(136)
Disposal	0
Foreign currency translation	0
December 28, 2018	2,391
Other
Finite-Lived Intangible Assets and Liabilites [Line Items]
September 28, 2018	62
Amortization	(13)
Disposal	100
Foreign currency translation	0
December 28, 2018	$ 149

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+ References

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+ References

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- Definition

Finite lived intangible assets and liabilities.

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- Definition

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

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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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