Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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

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Weighted average expected volatility rate of share-based compensation awards.

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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.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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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.

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Compensation Plans (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Compensation Plans
Stock compensation	$ 9,332	$ 7,606	$ 30,823	$ 23,325
Employee Stock Purchase Plan
Compensation Plans
Average expected life			6 months	6 months
Average volatility (as a percent)			30.00%	55.00%
Dividend yield (as a percent)			1.01%	1.14%
Risk-free interest rate (as a percent)			0.14%	0.06%
Weighted average grant date fair value (in dollars per share)			$ 26.54	$ 27.28
Employee stock options
Compensation Plans
Average expected life			5 years 6 months	5 years 6 months
Average volatility (as a percent)			57.00%	74.00%
Dividend yield (as a percent)			0.85%	1.31%
Risk-free interest rate (as a percent)			1.62%	1.70%
Weighted average grant date fair value (in dollars per share)			$ 66.55	$ 42.04
RSUs \| Minimum
Compensation Plans
Vesting period of award			3 years
RSUs \| Maximum
Compensation Plans
Vesting period of award			4 years
PSUs \| Minimum
Compensation Plans
Vesting period of award			2 years
PSUs \| Maximum
Compensation Plans
Vesting period of award			3 years
RSAs \| Minimum
Compensation Plans
Vesting period of award			3 years
RSAs \| Maximum
Compensation Plans
Vesting period of award			4 years