Accrued Liabilities (Schedule of Accrued Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 29, 2014	Nov. 30, 2013	Dec. 01, 2012	Dec. 03, 2011
Payables and Accruals [Abstract]
Accrued salaries, wages and commissions	$ 29,621	$ 14,908
Pension and postretirement healthcare benefits liabilities	279	278
Compensated absences	9,967	8,600
Accrued insurance liabilities	11,358us-gaap_AccruedInsuranceCurrent	7,599us-gaap_AccruedInsuranceCurrent
Warranties	9,405	1,599	1,533	2,580
Customer deposits	23,045us-gaap_CustomerDepositsCurrent	16,081us-gaap_CustomerDepositsCurrent
Other accrued liabilities	36,361us-gaap_OtherAccruedLiabilitiesCurrent	29,309us-gaap_OtherAccruedLiabilitiesCurrent
Accrued liabilities	$ 120,036us-gaap_AccruedLiabilitiesCurrent	$ 78,374us-gaap_AccruedLiabilitiesCurrent

Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

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

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-Name Accounting Standards Codification

-Glossary Current Liabilities

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred and payable for unused vacation time owed to employees based on the entity's vacation benefit given to its employees.

+ References

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

-Publisher FASB

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-Topic 942

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-Subparagraph (SX 210.9-03.15(5))

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-Topic 710

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The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

The current liability recognized in the balance sheet that is associated with defined benefit pension plans and other postretirement and postemployment benefit plans.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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