Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Assets
Cash and cash equivalents	$ 453,431	$ 231,318	[1]
Accounts receivable, net	156,605	131,504	[1]
Amounts receivable from vendors	60,615	66,619	[1]
Inventory	2,462,781	2,375,047	[1]
Other current assets	38,535	30,713	[1]
Total current assets	3,171,967	2,835,201	[1]
Property and equipment, at cost	3,784,741	3,606,837	[1]
Less: accumulated depreciation and amortization	1,255,805	1,181,734	[1]
Net property and equipment	2,528,936	2,425,103	[1]
Notes receivable, less current portion	15,218	13,066	[1]
Goodwill	756,349	756,225	[1]
Other assets, net	35,406	37,613	[1]
Total assets	6,507,876	6,067,208	[1]
Liabilities and shareholders' equity
Accounts payable	2,302,282	2,056,521	[1]
Self-insurance reserves	67,623	57,700	[1]
Accrued payroll	67,678	65,520	[1]
Accrued benefits and withholdings	51,330	41,262	[1]
Deferred income taxes	22,184	20,222	[1]
Income taxes payable	15,460	0	[1]
Other current liabilities	200,498	181,718	[1]
Current portion of long-term debt	62	67	[1]
Total current liabilities	2,727,117	2,423,010	[1]
Long-term debt, less current portion	1,396,362	1,396,141	[1]
Deferred income taxes	66,065	80,713	[1]
Other liabilities	200,751	201,023	[1]
Shareholders' equity:
Common stock, $0.01 par value: Authorized shares - 245,000,000 Issued and outstanding shares - 104,656,509 as of June 30, 2014, and 105,939,766 as of December 31, 2013	1,047	1,059	[1]
Additional paid-in capital	1,168,016	1,118,929	[1]
Retained earnings	948,518	846,333	[1]
Total shareholders' equity	2,117,581	1,966,321	[1]
Total liabilities and shareholders' equity	$ 6,507,876	$ 6,067,208	[1]

[1] The balance sheet at December 31, 2013, has been derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.