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Significant Accounting Policies (Basis to Determine Return on Invested Capital Based PSUs) (Details) - ROIC Based PSUs	12 Months Ended
	Sep. 29, 2017
Less than 8.9%
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
ROIC Performance Multiplier	0.00%
8.9%
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
ROIC Performance Multiplier	50.00%
9.9%
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
ROIC Performance Multiplier	100.00%
10.9%
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
ROIC Performance Multiplier	200.00%

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options return on invested capital performance multiplier.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Details

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