Restatement Restated Comprehensive Income Statement (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Depreciation and amortization	$ 57,495	$ 60,223	$ 108,313	$ 112,211	$ 122,408	$ 127,191
Loss on impairment / retirement of fixed assets, net	1,637	25,000	2,266	24,230	8,372	34,509
Income (loss) before tax	248,449	192,925	162,714	153,935	142,393	133,761
Provision for taxes	58,025	51,912	34,026	41,754	24,030	27,858
Net income	190,424	141,013	128,688	112,181	118,363	105,903
Basic earnings per limited partner unit	3.43	2.54	2.32	2.02	2.13	1.91
Diluted earnings per limited partner unit	3.41	2.52	2.31	2.01	2.12	1.89
As previously filed [Member]
Depreciation and amortization		60,747		113,156		128,136
Loss on impairment / retirement of fixed assets, net		25,000		(24,230)		25,719
Income (loss) before tax		192,401		152,990		141,606
Provision for taxes		51,713		41,395		30,839
Net income		140,688		111,595		110,767
Basic earnings per limited partner unit		2.53		2.01		2.00
Diluted earnings per limited partner unit		2.51		2.00		1.98
Correction [Member]
Depreciation and amortization		(524)		(945)		(945)
Loss on impairment / retirement of fixed assets, net		0		0		8,790
Income (loss) before tax		524		945		(7,845)
Provision for taxes		199		359		(2,981)
Net income		$ 325		$ 586		$ (4,864)
Basic earnings per limited partner unit		0.01		0		(0.09)
Diluted earnings per limited partner unit		0.01		0.01		(0.09)