CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating Activities:
Net income	$ 120,514	$ 96,618
Adjustments to reconcile net income to net cash from continuing operating activities:
Depreciation	29,516	26,310
Earnings of equity method investments	(10,226)	(12,578)
Loss from discontinued operations, net of tax	1,147	4,100
Deferred income taxes	25,839	7,793
Changes in operating assets and liabilities:
Accounts receivable	4,405	(8,400)
Inventories	(144,875)	(175,406)
Floor plan notes payable	81,365	176,164
Accounts payable and accrued expenses	62,132	93,237
Other	5,826	(5,885)
Net cash from continuing operating activities	175,643	201,953
Investing Activities:
Purchase of equipment and improvements	(143,591)	(57,322)
Acquisitions net, including repayment of sellers' floor plan notes payable of $1,758 and $37,779, respectively	(30,734)	(111,522)
Other	(9,695)	(3,653)
Net cash from continuing investing activities	(184,020)	(172,497)
Financing Activities:
Proceeds from borrowings under U.S. credit agreement revolving credit line	491,700	396,800
Repayments under U.S. credit agreement revolving credit line	(519,700)	(414,800)
Repayments under U.S. credit agreement term loan	(12,000)
Repurchase of 3.5% senior subordinated convertible notes		(37,778)
Net borrowings (repayments) of car rental revolver	82,115
Net borrowings (repayments) of other long-term debt	(53,286)	11,573
Net borrowings (repayments) of floor plan notes payable - non-trade	33,478	35,218
Repurchases of common stock	(15,813)	(9,829)
Dividends	(26,216)	(18,918)
Other	235
Net cash from continuing financing activities	(19,487)	(37,734)
Discontinued operations:
Net cash from discontinued operating activities	15,708	(1,073)
Net cash from discontinued investing activities	2,820	35,311
Net cash from discontinued financing activities	(7,857)	(17,010)
Net cash from discontinued operations	10,671	17,228
Net change in cash and cash equivalents	(17,193)	8,950
Cash and cash equivalents, beginning of period	43,447	26,997
Cash and cash equivalents, end of period	26,254	35,947
Cash paid for:
Interest	47,019	43,780
Income taxes	$ 11,377	$ 19,180