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Business Segments and Geographic Information - Revenues by Geography (Detail)	3 Months Ended
	Dec. 25, 2021	Dec. 26, 2020
Schedule Of Geographical Segments [Line Items]
Revenues	100.00%	100.00%
United States
Schedule Of Geographical Segments [Line Items]
Revenues	68.80%	70.70%
Europe
Schedule Of Geographical Segments [Line Items]
Revenues	20.10%	21.00%
Asia-Pacific
Schedule Of Geographical Segments [Line Items]
Revenues	8.10%	5.50%
Rest of World
Schedule Of Geographical Segments [Line Items]
Revenues	3.00%	2.80%

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- Definition

Percentage of revenues.

+ References

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- Definition

Schedule Of Geographical Segments [Line Items]

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- Details

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- Details

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