Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Nov. 29, 2014	Nov. 30, 2013	Dec. 01, 2012
Property, Plant and Equipment [Line Items]
Land	$ 12,330us-gaap_Land	$ 9,444us-gaap_Land
Buildings and building fixtures	154,296us-gaap_BuildingsAndImprovementsGross	119,207us-gaap_BuildingsAndImprovementsGross
Machinery and equipment	428,530us-gaap_MachineryAndEquipmentGross	388,669us-gaap_MachineryAndEquipmentGross
Construction in process	50,764us-gaap_ConstructionInProgressGross	24,420us-gaap_ConstructionInProgressGross
Property, plant and equipment, at cost, gross	645,920us-gaap_PropertyPlantAndEquipmentGross	541,740us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation	(357,564)	(332,787)
Property, plant and equipment, at cost, less accumulated depreciation	288,356us-gaap_PropertyPlantAndEquipmentNet	208,953us-gaap_PropertyPlantAndEquipmentNet	195,101us-gaap_PropertyPlantAndEquipmentNet
Capital lease obligations incurred	156us-gaap_CapitalLeaseObligationsIncurred	270us-gaap_CapitalLeaseObligationsIncurred
Accounts Payable [Member]
Property, Plant and Equipment [Line Items]
Expenses capitalized	3,135	1,079
Accrued Liabilities [Member]
Property, Plant and Equipment [Line Items]
Expenses capitalized	$ 1,983	$ 621

Expenses Capitalized

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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The increase during the period in capital lease obligations due to entering into new capital leases.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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- Definition

Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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