Goodwill and Intangible Assets Goodwill Rollforward (Details) $ in Thousands	9 Months Ended
Jun. 26, 2020 USD ($)
Goodwill [Roll Forward]
Balance at September 27, 2019	$ 334,829
Acquired goodwill	0
Translation adjustments	865
Balance at September 27, 2019	$ 335,694

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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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.

+ References

No definition available.

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- Definition

Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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