Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 575,196	$ 361,552	[1]
Accounts receivable, net	144,822	135,149	[1]
Amounts receivable from vendors	68,376	68,604	[1]
Inventory	2,004,917	1,985,748	[1]
Other current assets	37,071	56,557	[1]
Total current assets	2,830,382	2,607,610	[1]
Property and equipment, at cost	3,101,720	3,026,996	[1]
Less: accumulated depreciation and amortization	975,121	933,229	[1]
Net property and equipment	2,126,599	2,093,767	[1]
Notes receivable, less current portion	9,817	10,889	[1]
Goodwill	744,031	743,907	[1]
Other assets, net	43,296	44,328	[1]
Total assets	5,754,125	5,500,501	[1]
Liabilities and shareholders' equity
Accounts payable	1,469,310	1,279,294	[1]
Self-insurance reserves	56,805	53,155	[1]
Accrued payroll	54,105	52,465	[1]
Accrued benefits and withholdings	36,183	41,512	[1]
Deferred income taxes	3,671	1,990	[1]
Income taxes payable	37,146
Other current liabilities	143,811	150,932	[1]
Current portion of long-term debt	625	662	[1]
Total current liabilities	1,801,656	1,580,010	[1]
Long-term debt, less current portion	796,863	796,912	[1]
Deferred income taxes	92,316	88,864	[1]
Other liabilities	191,443	189,864	[1]
Shareholders' equity:
Common stock, $0.01 par value: Authorized shares - 245,000,000 Issued and outstanding shares - 125,992,829 as of March 31, 2012, and 127,179,792 as of December 31, 2011	1,260	1,272	[1]
Additional paid-in capital	1,127,947	1,110,105	[1]
Retained earnings	1,742,640	1,733,474	[1]
Total shareholders' equity	2,871,847	2,844,851	[1]
Total liabilities and shareholders' equity	$ 5,754,125	$ 5,500,501	[1]

[1] Note: The balance sheet at December 31, 2011, 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.