Commitments And Contingencies (Details) (USD $)	3 Months Ended	6 Months Ended
	Mar. 28, 2013 site item	Mar. 28, 2013 Y employee item lawsuit site	Sep. 27, 2012 site
Loss Contingencies [Line Items]
Outstanding letters of credit	$ 97,700,000	$ 97,700,000
Lawsuits filed against petroleum industry companies		45
Number of cases named as defendant		8
Number of cases dismissed		3
Number of cases remain defendant	5	5
Fuel temperature taxes paid in degrees		60
Term of employment agreements for executives		1
Severance expensed	633,000
Number of executive officers who left the company		2
Letters of credit in favor of state environmental agencies	1,400,000	1,400,000
Environmental reserves included in other accrued liabilities	5,700,000	5,700,000	5,700,000
Environmental reserves included in other noncurrent liabilities	65,000,000	65,000,000	62,600,000
Number of known contaminated sites to be remediated by The Pantry	604	604	599
Environmental obligations	62,200,000	62,200,000
Litigation settlement expenses	8,500,000	8,500,000
Third party environmental receivables, current	3,100,000	3,100,000	2,900,000
Third party environmental receivables, noncurrent	62,900,000	62,900,000	61,000,000
Future remediation estimated discount rate	7.25%	7.25%
Number of known contaminated sites to be remediated by third parties	156	156	170
Deferred vendor rebates, current	2,600,000	2,600,000	4,000,000
Deferred vendor rebates	10,315,000	10,315,000	11,886,000
Merchandise percentage purchased, McLane		50.00%
Distribution service agreement maturity date, McLane		Dec. 01, 2014
Fuel brand imaging agreements maturity date range start		2016
Fuel brand imaging agreements maturity date range end		2019
Unbranded fuel agreement maturity date, Marathon		Dec. 31, 2017
Term of branded fuel agreement, Marathon		3 years
Branded fuel agreement start date, Marathon		Jul. 01, 2013
Branded fuel agreement end date, Marathon		Jun. 30, 2016
Term of purchase obligation		1 year
Price per gallon obligation if minimum volume requirements not met	0.02	0.02
Branded Jobber Contract maturity date		Dec. 31, 2019
Maximum [Member]
Loss Contingencies [Line Items]
Amount of damage sought in lawsuit		1,000
Estimated time to resolve contingency		ten
Minimum [Member]
Loss Contingencies [Line Items]
Amount of damage sought in lawsuit		$ 100
Estimated time to resolve contingency		one