Condensed Consolidating Financial Statements (Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 Successor	Dec. 25, 2012 Successor	Dec. 31, 2013 Successor Parent Guarantor: Holdings	Dec. 25, 2012 Successor Parent Guarantor: Holdings	Dec. 31, 2013 Successor Subsidiary Issuer: NPC	Dec. 25, 2012 Successor Subsidiary Issuer: NPC	Dec. 31, 2013 Successor Subsidiary Co-Issuer: NPCQB	Dec. 25, 2012 Successor Subsidiary Co-Issuer: NPCQB	Dec. 31, 2013 Successor Subsidiary Co-Issuer: NPC Op Co B	Dec. 25, 2012 Successor Subsidiary Co-Issuer: NPC Op Co B	Dec. 31, 2013 Successor Eliminations	Dec. 25, 2012 Successor Eliminations	Dec. 27, 2011 Predecessor	Dec. 27, 2011 Predecessor Parent Guarantor: Holdings	Dec. 27, 2011 Predecessor Subsidiary Issuer: NPC	Dec. 27, 2011 Predecessor Subsidiary Co-Issuer: NPCQB	Dec. 27, 2011 Predecessor Subsidiary Co-Issuer: NPC Op Co B	Dec. 27, 2011 Predecessor Eliminations
Operating activities
Net cash flows provided by operating activities	$ 97,764	$ 70,418	$ 0	$ 0	$ 91,857	$ 70,418	$ 5,907	$ 0	$ 0	$ 0	$ 0	$ 0	$ 86,201	$ 0	$ 86,201	$ 0	$ 0	$ 0
Investing activities
Capital expenditures	(51,031)	(40,464)	0	0	(50,820)	(40,464)	(211)	0	0	0	0	0	(23,775)	0	(23,775)	0	0	0
Purchase of the stock of the Company	0	(431,540)		(216,635)		(431,540)		0		0		216,635	0
Purchase of business assets, net of cash acquired	(55,922)	(19,371)	0	0	0	(19,371)	(55,922)	0	0	0	0	0	0
Investment in NPCQB	0		0		(51,091)		0		0		51,091
Proceeds from disposition of assets	545	240	0	0	545	240	0	0	0	0	0	0	993	0	993	0	0	0
Net cash flows used in investing activities	(106,408)	(491,135)	0	(216,635)	(101,366)	(491,135)	(56,133)	0	0	0	51,091	216,635	(22,782)	0	(22,782)	0	0	0
Financing activities
Borrowings under revolving credit facility	7,000	14,900	0		7,000		0		0		0		0
Investment from parent	0		0		0		51,091		0		(51,091)
Retirement of predecessor entity debt and other obligations	0	(372,700)		0		(372,700)		0		0		0	0
Proceeds from equity contributions, net	0	216,635		216,635		216,635		0		0		(216,635)	0
Issuance of debt	0	565,000		0		565,000		0		0		0	0
Payments on term bank facilities	0	(6,875)		0		(6,875)		0		0		0	(29,670)	0	(29,670)	0	0	0
Debt issue costs	(967)	(34,614)		0		(34,614)		0		0		0	0
Proceeds from sale-leaseback transactions	0	1,006		0		1,006		0		0		0	486	0	486	0	0	0
Other	(3,814)		0		(3,814)		0		0		0
Interest rate derivative	0	(636)		0		(636)		0		0		0	0
Net cash provided by financing activities	3,186	367,816	0	216,635	3,186	367,816	51,091	0	0	0	(51,091)	(216,635)	(29,184)	0	(29,184)	0	0	0
Net change in cash and cash equivalents	(5,458)	(52,901)	0	0	(6,323)	(52,901)	865	0	0	0	0	0	34,235	0	34,235	0	0	0
Beginning cash and cash equivalents	25,493	78,394	0	0	25,493	78,394	0	0	0	0	0	0	44,159	0	44,159	0	0	0
Ending cash and cash equivalents	$ 20,035	$ 25,493	$ 0	$ 0	$ 19,170	$ 25,493	$ 865	$ 0	$ 0	$ 0	$ 0	$ 0	$ 78,394	$ 0	$ 78,394	$ 0	$ 0	$ 0