Share Plans (Schedule of the Valuation Assumptions Used in the Conversion) (Details) (USD $)	0 Months Ended	12 Months Ended
Jun. 28, 2013	Jun. 27, 2013	Sep. 26, 2014	Sep. 27, 2013	Jun. 28, 2013	Jun. 27, 2013
Weighted Average Assumptions
Expected share price volatility	32.00%	26.00%	32.00%
Risk-free interest rate	0.99%	0.99%	1.96%
Expected annual dividend per share	0.00%	1.65%	0.00%
Expected life of options (in years)	3 years 9 months 18 days	3 years 9 months 18 days	5 years 6 months
Fair value per option			$ 17.38us-gaap_SharePrice		$ 16.51us-gaap_SharePrice	$ 18.04us-gaap_SharePrice
Share options outstanding			3,526,789	2,760,231	2,399,822	1,745,258

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

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- Definition

Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.D.2)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section D

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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

+ References

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

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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-Subparagraph (c)(1)(i)-(ii)

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- Definition

Price of a single share of a number of saleable stocks of a company.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

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