Basis of Presentation and Significant Accounting Policies (Details 2) (Comfort Revolution, VIE, primary beneficiary, USD $) In Millions, unless otherwise specified	0 Months Ended	12 Months Ended
Jun. 13, 2012	Dec. 02, 2012
Comfort Revolution \| VIE, primary beneficiary
Variable interest entity
Ownership percentage	45.00%
Net assets		$ 9.0
Lag period of VIE results presentation		2 months
Outstanding loan balance not eliminated due to lime lag		$ 7.8

The net carrying amount of the consolidated Variable Interest Entity's assets and liabilities included in the reporting entity's statement of financial position.

No definition available.

+ Details

Name:	us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssetsAndLiabilitiesNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_VariableInterestEntityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 5A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7880789&loc=SL6759159-111685

+ Details

Name:	us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the subsidiary's outstanding loan balance with the Company which has not been eliminated due to time lag.

+ References

No definition available.

+ Details

Name:	zz_IntercompanyTransactionLoanOutstandingNotEliminatedDueToTimeLag
Namespace Prefix:	zz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the lag period related to the presentation of results of the Variable Interest Entity (VIE).

+ References

No definition available.

+ Details

Name:	zz_VariableInterestEntityLagPeriodOfResultsPresentation
Namespace Prefix:	zz_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration