Condensed Consolidating Financial Statements (Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 25, 2012	Dec. 27, 2011
Condensed Consolidating Balance Sheet
Current assets	$ 57,104	$ 68,786
Facilities and equipment, net	169,950	143,625
Franchise rights, net	640,151	622,634
Goodwill	292,623	290,502	191,701
Investment in subsidiary	0	0
Other assets, net	45,284	44,235
Total assets	1,205,112	1,169,782
Current liabilities	105,068	89,743
Current liabilities, excluding debt		89,743
Current portion of debt	3,438	0
Long-term debt	561,687	558,125
Other liabilities and deferred items	58,689	68,153
Deferred income taxes	214,455	218,290
Member’s equity	265,213	235,471
Total liabilities and member’s equity	1,205,112	1,169,782
Parent Guarantor: Holdings
Condensed Consolidating Balance Sheet
Current assets	0	0
Facilities and equipment, net	0	0
Franchise rights, net	0	0
Goodwill	0	0
Investment in subsidiary	265,326	235,471
Other assets, net	0	0
Total assets	265,326	235,471
Current liabilities	0
Current liabilities, excluding debt		0
Current portion of debt		0
Long-term debt	0	0
Other liabilities and deferred items	0	0
Deferred income taxes	0	0
Member’s equity	265,326	235,471
Total liabilities and member’s equity	265,326	235,471
Subsidiary Issuer: NPC
Condensed Consolidating Balance Sheet
Current assets	53,364	68,786
Facilities and equipment, net	152,810	143,625
Franchise rights, net	607,880	622,634
Goodwill	290,502	290,502
Investment in subsidiary	50,978	0
Other assets, net	44,273	44,235
Total assets	1,199,807	1,169,782
Current liabilities	100,766
Current liabilities, excluding debt		89,743
Current portion of debt		0
Long-term debt	561,687	558,125
Other liabilities and deferred items	58,060	68,153
Deferred income taxes	214,081	218,290
Member’s equity	265,213	235,471
Total liabilities and member’s equity	1,199,807	1,169,782
Subsidiary Co-Issuer: NPCQB
Condensed Consolidating Balance Sheet
Current assets	3,740	0
Facilities and equipment, net	17,140	0
Franchise rights, net	32,271	0
Goodwill	2,121	0
Investment in subsidiary	0	0
Other assets, net	1,011	0
Total assets	56,283	0
Current liabilities	4,302
Current liabilities, excluding debt		0
Current portion of debt		0
Long-term debt	0	0
Other liabilities and deferred items	629	0
Deferred income taxes	374	0
Member’s equity	50,978	0
Total liabilities and member’s equity	56,283	0
Subsidiary Co-Issuer: NPC Op Co B
Condensed Consolidating Balance Sheet
Current assets	0	0
Facilities and equipment, net	0	0
Franchise rights, net	0	0
Goodwill	0	0
Investment in subsidiary	0	0
Other assets, net	0	0
Total assets	0	0
Current liabilities	0
Current liabilities, excluding debt		0
Current portion of debt		0
Long-term debt	0	0
Other liabilities and deferred items	0	0
Deferred income taxes	0	0
Member’s equity	0	0
Total liabilities and member’s equity	0	0
Eliminations
Condensed Consolidating Balance Sheet
Current assets	0	0
Facilities and equipment, net	0	0
Franchise rights, net	0	0
Goodwill	0	0
Investment in subsidiary	(316,304)	(235,471)
Other assets, net	0	0
Total assets	(316,304)	(235,471)
Current liabilities	0
Current liabilities, excluding debt		0
Current portion of debt		0
Long-term debt	0	0
Other liabilities and deferred items	0	0
Deferred income taxes	0	0
Member’s equity	(316,304)	(235,471)
Total liabilities and member’s equity	$ (316,304)	$ (235,471)