Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 30, 2014
Statement of Financial Position [Abstract]
Accumulated depreciation	$ 128,845	$ 118,984
Franchise rights, less accumulated amortization	$ 54,301	$ 49,650
Membership interests, shares authorized (shares)	1,000us-gaap_CommonStockSharesAuthorized	1,000us-gaap_CommonStockSharesAuthorized
Membership interests, shares issued (shares)	1,000us-gaap_CommonStockSharesIssued	1,000us-gaap_CommonStockSharesIssued
Membership interests, shares outstanding (shares)	1,000us-gaap_CommonStockSharesOutstanding	1,000us-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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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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