Condensed Consolidating Financial Statements (Balance Sheet) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 30, 2014
Assets
Current assets	$ 74,595	$ 61,910
Facilities and equipment, net	198,404	198,122
Franchise rights, net	629,770	639,045
Goodwill	294,626	294,626
Investment in subsidiary	0	0
Other assets, net	39,398	42,652
Total assets	1,236,793	1,236,355
Liabilities and member’s equity
Current liabilities	110,502	107,141
Long-term debt	588,144	591,263
Other liabilities and deferred items	60,510	60,203
Deferred income taxes	205,565	210,723
Member’s equity	272,072	267,025
Total liabilities and member’s equity	1,236,793	1,236,355
Parent Guarantor: Holdings
Assets
Current assets	0	0
Facilities and equipment, net	0	0
Franchise rights, net	0	0
Goodwill	0	0
Investment in subsidiary	272,072	267,025
Other assets, net	0	0
Total assets	272,072	267,025
Liabilities and member’s equity
Current liabilities	0	0
Long-term debt	0	0
Other liabilities and deferred items	0	0
Deferred income taxes	0	0
Member’s equity	272,072	267,025
Total liabilities and member’s equity	272,072	267,025
Subsidiary Issuer: NPC
Assets
Current assets	65,310	51,700
Facilities and equipment, net	160,809	162,248
Franchise rights, net	584,885	592,633
Goodwill	290,502	290,502
Investment in subsidiary	75,112	75,902
Other assets, net	37,577	40,794
Total assets	1,214,195	1,213,779
Liabilities and member’s equity
Current liabilities	89,838	90,701
Long-term debt	588,144	591,263
Other liabilities and deferred items	54,943	55,467
Deferred income taxes	209,198	209,323
Member’s equity	272,072	267,025
Total liabilities and member’s equity	1,214,195	1,213,779
Subsidiary Co-Issuer: NPCQB
Assets
Current assets	9,285	10,210
Facilities and equipment, net	37,595	35,874
Franchise rights, net	44,885	46,412
Goodwill	4,124	4,124
Investment in subsidiary	0	0
Other assets, net	1,821	1,858
Total assets	97,710	98,478
Liabilities and member’s equity
Current liabilities	20,664	16,440
Long-term debt	0	0
Other liabilities and deferred items	5,567	4,736
Deferred income taxes	(3,633)	1,400
Member’s equity	75,112	75,902
Total liabilities and member’s equity	97,710	98,478
Subsidiary Co-Issuer: NPC Op Co B
Assets
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
Liabilities and member’s equity
Current liabilities	0	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
Assets
Current assets	0	0
Facilities and equipment, net	0	0
Franchise rights, net	0	0
Goodwill	0	0
Investment in subsidiary	(347,184)	(342,927)
Other assets, net	0	0
Total assets	(347,184)	(342,927)
Liabilities and member’s equity
Current liabilities	0	0
Long-term debt	0	0
Other liabilities and deferred items	0	0
Deferred income taxes	0	0
Member’s equity	(347,184)	(342,927)
Total liabilities and member’s equity	$ (347,184)	$ (342,927)