Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Apr. 01, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Accumulated depreciation	$ 85,213	$ 75,895
Franchise rights, less accumulated amortization	$ 36,067	$ 31,629
Membership interests, shares authorized (shares)	1,000	1,000
Membership interests, shares issued (shares)	1,000	1,000
Membership interests, shares outstanding (shares)	1,000	1,000

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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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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