Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 01, 2015	Nov. 30, 2014	Nov. 24, 2013
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 11,533	$ 12,704	$ 18,264
Accumulated depreciation	$ 792,643	$ 784,493	$ 775,933
Common stock, par value	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	270,000,000us-gaap_CommonStockSharesAuthorized	270,000,000us-gaap_CommonStockSharesAuthorized	270,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	37,437,470us-gaap_CommonStockSharesIssued	37,430,283us-gaap_CommonStockSharesIssued	37,446,087us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	37,437,470us-gaap_CommonStockSharesOutstanding	37,430,283us-gaap_CommonStockSharesOutstanding	37,446,087us-gaap_CommonStockSharesOutstanding

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

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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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Face amount or stated value per share of common stock.

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