Amount of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450702-114947

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450691-114947

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 5

-Subparagraph (e)(1)

-URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450657-114947

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- Definition

Percentage of employee participants subject to a collective bargaining arrangement to all participants in a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 5

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450657-114947

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- Definition

Represents the number of domestic manufacturing facilities, employees working at are covered by union sponsored multiemployer plans.

+ References

No definition available.

+ Details

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Namespace Prefix:	zz_
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- Definition

The percentage of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

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- Definition

Represents the estimated amount of obligations that will recognized if there is a withdrawal from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

Indicates the percentage whether the multiemployer plan is less than 65 percent funded, between 65 and less than 80 percent funded, or at least 80 percent funded. The acceptable values are: (1) "less than 65 percent", (2) "between 65 and less than 80 percent", (3) "at least 80 percent", and (4) "NA". A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

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- Definition

Represents percentage of surcharge to the pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of employees of domestic manufacturing plants covered by a collective bargaining agreement that will expire within one year after the balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	zz_
Data Type:	xbrli:integerItemType
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- Definition

The number of employees of international manufacturing plants covered by a collective bargaining agreement that will expire within one year after the balance sheet date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

Indicates the number of years a multi-employer plan is projected not to be a credit balance.

+ References

No definition available.

+ Details

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- Definition

Indicates the number of years a multi-employer plan is projected to be a credit balance.

+ References

No definition available.

+ Details

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Retirement Plans (Details 3) (USD $)	12 Months Ended
Retirement Plans (Details 3) (USD $)	Dec. 02, 2012 item	Nov. 27, 2011	Nov. 28, 2010
Multi-Employer Benefit Plans
Domestic employees represented by various labour unions with separate collective bargaining agreements (as a percent)	68.00%
Number of employees in domestic manufacturing facilities covered under collective bargaining agreements expiring within one year	859
Number of employees in international manufacturing facilities covered under collective bargaining agreements expiring within one year	486
Estimated withdrawal liability	$ 1,800,000
Maximum
Multi-Employer Benefit Plans
Total contributions for most recent plan year available	5.00%
Red Zone \| Maximum
Multi-Employer Benefit Plans
Multi-employer plans funded status (as a percent)	65.00%
Yellow Zone
Multi-Employer Benefit Plans
The time in which a Multi-employer plan is projected to be a credit balance	7 years
Yellow Zone \| Maximum
Multi-Employer Benefit Plans
Multi-employer plans funded status (as a percent)	80.00%
Green Zone
Multi-Employer Benefit Plans
The time in which a Multi-employer plan is projected not to be a credit balance	7 years
Green Zone \| Minimum
Multi-Employer Benefit Plans
Multi-employer plans funded status (as a percent)	80.00%
Multi-employer retirement plan
Multi-Employer Benefit Plans
Number of domestic manufacturing facilities, employees working at are covered by union sponsored multiemployer plans	10
Expenses recognized for contributions	5,092,000	5,284,000	4,779,000
United Furniture Workers Pension Fund A
Multi-Employer Benefit Plans
Expenses recognized for contributions	1,117,000	1,546,000	890,000
Surcharge (as a percent)	10.00%
Pension Plan of the National Retirement Fund
Multi-Employer Benefit Plans
Expenses recognized for contributions	890,000	927,000	1,039,000
Surcharge (as a percent)	10.00%
Multi-employer health and welfare plan
Multi-Employer Benefit Plans
Number of domestic manufacturing facilities, employees working at are covered by union sponsored multiemployer plans	3
Expenses recognized for contributions	$ 3,098,000	$ 3,089,000	$ 2,755,000