Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 30, 2014
Statement of Financial Position [Abstract]
Accumulated depreciation	$ 141,328	$ 118,984
Franchise rights, less accumulated amortization	$ 58,975	$ 49,650
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