Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended								12 Months Ended			0 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014 Segment	Dec. 31, 2013	Dec. 31, 2012	Jun. 26, 2014
Summary of Significant Accounting Policies [Line Items]
Management service fee revenue as a percentage of total net sales, less than 1%									1.00%	1.00%	1.00%
Vendor rebates and promotional allowances									$ 162,800,000	$ 149,800,000	$ 128,000,000
Excise taxes	530,300,000	567,600,000	539,900,000	472,500,000	526,700,000	554,900,000	523,600,000	445,600,000	2,100,000,000	2,100,000,000	2,000,000,000
Excise taxes as a percentage of net sales									21.00%	21.00%	22.00%
Excise taxes as a percentage of cost of goods sold									22.00%	22.00%	24.00%
Book overdrafts	29,100,000				22,900,000				29,100,000	22,900,000
Percentage of LIFO inventory	85.00%				86.00%				85.00%	86.00%
Impairment of long-lived assets, property and equipment									0	0	0
Impairment of long-lived assets, definite-lived intangible assets									0	0	0
Number of operating segments									2
Goodwill impairment									0	0	0
Capitalized computer software, amount									4,400,000	2,000,000	200,000
Unamortized debt issuance costs	1,100,000				1,400,000				1,100,000	1,400,000
Self insurance gross obligation, long-term	27,500,000				28,200,000				27,500,000	28,200,000
Self insurance gross obligation, short-term	10,400,000				12,900,000				10,400,000	12,900,000
Self insurance liabilities net of insurance recoverables, long-term	10,900,000				11,000,000				10,900,000	11,000,000
Self insurance liabilities net of insurance recoverables, short-term	9,000,000				7,600,000				9,000,000	7,600,000
Workers' Compensation, General and Auto Liabilities Program [Member]
Summary of Significant Accounting Policies [Line Items]
Self-insurance pre-claim limit, amount	500,000								500,000
Health and Welfare Program [Member]
Summary of Significant Accounting Policies [Line Items]
Self-insurance pre-claim limit, amount	$ 250,000								$ 250,000
Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Capitalized computer software, amortization period									3 years
Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Capitalized computer software, amortization period									8 years
Office furniture and equipment [Member] | Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Fixed assets useful lives									3 years
Office furniture and equipment [Member] | Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Fixed assets useful lives									10 years
Delivery equipment [Member] | Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Fixed assets useful lives									4 years
Delivery equipment [Member] | Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Fixed assets useful lives									10 years
Warehouse equipment [Member] | Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Fixed assets useful lives									5 years
Warehouse equipment [Member] | Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Fixed assets useful lives									15 years
Leasehold improvements [Member] | Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Fixed assets useful lives									3 years
Leasehold improvements [Member] | Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Fixed assets useful lives									25 years
Buildings [Member] | Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Fixed assets useful lives									15 years
Buildings [Member] | Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Fixed assets useful lives									25 years
Customer Concentration Risk [Member]
Summary of Significant Accounting Policies [Line Items]
Customers accounted for 10% or more of accounts receivable, number	0				0				0	0
Customer Concentration Risk [Member] | Couche-Tard [Member] | Net sales [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk, percentage									14.50%	14.70%	13.70%
Supplier Concentration Risk [Member]
Summary of Significant Accounting Policies [Line Items]
Number of significant suppliers									2
Supplier Concentration Risk [Member] | Philip Morris USA, Inc. [Member] | Product purchase [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk, percentage									28.00%	28.00%	27.00%
Supplier Concentration Risk [Member] | R.J. Reynolds Tobacco Company [Member] | Product purchase [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk, percentage									14.00%	14.00%	14.00%
Product Concentration Risk [Member] | Net sales [Member] | Cigarettes [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk, percentage									67.50%	68.00%	69.00%
Product Concentration Risk [Member] | Gross profit [Member] | Cigarettes [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk, percentage									27.10%	30.00%	31.70%
Customer relationships [Member] | Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Intangible assets, useful life									10 years
Customer relationships [Member] | Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Intangible assets, useful life									15 years
Non-competiiton agreements [Member] | Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Intangible assets, useful life									1 year
Non-competiiton agreements [Member] | Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Intangible assets, useful life									5 years
Software [Member] | Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Intangible assets, useful life									3 years
Software [Member] | Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Intangible assets, useful life									7 years
Common Stock [Member]
Summary of Significant Accounting Policies [Line Items]
Stock split ratio												2