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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

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

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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- Definition

Date the equity-based award expires, in CCYY-MM-DD format.

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- Definition

Increase in number of shares available for grant.

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Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Counted Against Available-For-Grant Limit for Every One Share Awarded

+ References

No definition available.

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Employee Stock Plans - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended			1 Months Ended		3 Months Ended
	Mar. 29, 2013	Mar. 30, 2012	Mar. 29, 2013	Mar. 30, 2012	Feb. 29, 2012	Feb. 29, 2012 Third Amended and Restated 2005 Plan	Mar. 29, 2013 Third Amended and Restated 2005 Plan	Mar. 29, 2013 Stock Options	Mar. 29, 2013 Restricted Stock Restricted Stock Units Deferred Stock Units And Performance Units
Employee Stock Plans [Line Items]
Number of shares available for grant increased by						6,000,000
Shares counted against the available for grant					2.5	2.6	2.6
Extend term of the amended plan						Nov. 11, 2021
Share-based compensation expense	$ 13,200,000	$ 14,600,000	$ 23,400,000	$ 25,100,000
Tax benefit recognized on share-based compensation expense	4,009,000	4,707,000	7,178,000	8,048,000
Share-based compensation expense capitalized amounts	600,000	900,000	1,500,000	1,700,000
Unrecognized compensation expense related to outstanding stock awards								$ 14,200,000	$ 46,000,000
Weighted average period unrecognized compensation expense is expected to be recognized, years								1 year 10 months 24 days	2 years 1 month 6 days