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Goodwill and Intangibles (Schedule of Acquired Intangibles in Accompanying Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 29, 2017	Dec. 30, 2016
Finite-Lived Intangible Assets and Liabilites [Line Items]
Beginning Balances	$ 332,920
Acquisitions and additions	603,188
Amortization	(14,695)	$ (11,914)
Foreign currency translation	(413)
Ending Balances	921,000
Customer Relationships, Contracts and Backlog
Finite-Lived Intangible Assets and Liabilites [Line Items]
Beginning Balances	301,468
Acquisitions and additions	557,000
Amortization	(12,852)
Foreign currency translation	(346)
Ending Balances	845,270
Developed Technology
Finite-Lived Intangible Assets and Liabilites [Line Items]
Beginning Balances	14,462
Acquisitions and additions	237
Amortization	(384)
Ending Balances	14,315
Trade Name
Finite-Lived Intangible Assets and Liabilites [Line Items]
Beginning Balances	6,699
Acquisitions and additions	40,000
Amortization	(1,344)
Foreign currency translation	26
Ending Balances	45,381
Patents
Finite-Lived Intangible Assets and Liabilites [Line Items]
Beginning Balances	10,180
Amortization	(104)
Foreign currency translation	(93)
Ending Balances	9,983
Lease Intangible Assets
Finite-Lived Intangible Assets and Liabilites [Line Items]
Acquisitions and additions	5,951
Ending Balances	5,951
Other
Finite-Lived Intangible Assets and Liabilites [Line Items]
Beginning Balances	111
Amortization	(11)
Ending Balances	$ 100

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Finite lived intangible assets and liabilities.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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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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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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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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