Commitments and Contingencies (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 25, 2012
Loss Contingencies [Line Items]
Royalties	6.50%
Reduction in royalty rate qualification	2.50%
Amount of purchased common stock of NPC Holdings	$ 4.1
Olympus Advisory Agreement [Member]
Loss Contingencies [Line Items]
Annual fee	1.0
Minimum [Member]
Loss Contingencies [Line Items]
Approximate combined value of common stock held by management	4.1
Maximum [Member]
Loss Contingencies [Line Items]
Approximate combined value of common stock held by management	7.7
Scenario, Forecast [Member]
Loss Contingencies [Line Items]
Expected capital expenditures	13.4
Capital Expenditure, Requirement Period	3 years
Asset actions per franchise agreement	$ 8.8
Asset action period to meet requirements	10 years