Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Nov. 29, 2013	Nov. 30, 2012	Dec. 02, 2011
Compensation and Retirement Disclosure [Abstract]
Percentage of employer matching contribution to retirement savings plan	50.00%
Defined Contribution Plan, Employer Matching Contribution, Percent	6.00%
Percentage of eligible employee contribution to retirement savings plan	65.00%
Employer's conribution to retirement savings plan	$ 22.3	$ 19.4	$ 19.6
Board of Directors and Certain Executives [Member]
Deferred Compensation Plan for certain executives and Board of Director Members [Line Items]
Percentage of contribution made by participants of base salary to deferred compensation plan	75.00%
Percentage of contribution made by participants of other specified compensation to deferred compensation plan	100.00%
Minimum period after end of plan year participants can elect to begin benefit payments	3 years
Payment period for annual installments election of benefit payments	over five, ten or fifteen years
Deferred compensation plan assets	19.8	15.1
Deferred compensation plan liabilities	$ 22.0	$ 16.4

Deferred Compensation Arrangement, Participant Election of Benefit Payments, Annual Installments Option Payment Period

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- Definition

Deferred Compensation Arrangement, Participant Election of Benefit Payments Start Date, Minimum Period after End of Plan Year

+ References

No definition available.

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- Definition

Maximum percentage of eligible employee contribution to retirement savings plan.

+ References

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- Definition

Percentage of contribution made by the employer to match with employees contribution.

+ References

No definition available.

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- Definition

Percentage of contribution made by participants of base salary to deferred compensation plan.

+ References

No definition available.

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- Definition

Percentage of contribution made by participants of other specified compensation to deferred compensation plan.

+ References

No definition available.

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.17)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 17

-Article 5

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

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