Unaudited Condensed Consolidated Balance Sheets - USD ($)		Jun. 30, 2020		Dec. 31, 2019
ASSETS
Cash and cash equivalents		$ 257,300,000		$ 42,000,000.0
Receivables, net		673,300,000		916,700,000
Inventory		2,432,300,000		3,305,800,000
Other current assets		157,300,000		146,600,000
Total Current Assets		3,520,200,000		4,411,100,000
PROPERTY AND EQUIPMENT, net of accumulated depreciation of $1.6 billion and $1.5 billion, respectively		3,143,900,000		3,174,600,000
OPERATING LEASE ASSETS		340,600,000		333,100,000
GOODWILL	[1]	1,181,300,000	[2]	1,501,900,000
OTHER INTANGIBLE ASSETS, NET		522,000,000.0		581,600,000
OTHER ASSETS		740,500,000		541,000,000.0
Total Assets		9,448,500,000		10,543,300,000
LIABILITIES AND SHAREHOLDERS’ EQUITY
Vehicle floorplan payable		2,522,900,000		3,575,800,000
Accounts payable		261,300,000		290,300,000
Commercial paper		0		170,000,000.0
Current maturities of long-term debt		307,300,000		355,600,000
Other current liabilities		729,800,000		708,500,000
Total Current Liabilities		3,821,300,000		5,100,200,000
LONG-TERM DEBT, NET OF CURRENT MATURITIES		1,783,100,000		1,578,500,000
NONCURRENT OPERATING LEASE LIABILITIES		315,200,000		305,000,000.0
DEFERRED INCOME TAXES		118,000,000.0		135,100,000
OTHER LIABILITIES		273,200,000		262,400,000
COMMITMENTS AND CONTINGENCIES (Note 12)
SHAREHOLDERS’ EQUITY:
Preferred stock, par value $0.01 per share; 5,000,000 shares authorized; none issued		0		0
Common stock, par value $0.01 per share; 1,500,000,000 shares authorized; 102,562,149 shares issued at June 30, 2020, and December 31, 2019, including shares held in treasury		1,000,000.0		1,000,000.0
Additional paid-in capital		29,500,000		35,900,000
Retained earnings		3,735,300,000		3,688,300,000
Treasury stock, at cost; 15,347,017 and 13,212,974 shares held, respectively		(628,100,000)		(563,100,000)
Total Shareholders’ Equity		3,137,700,000		3,162,100,000
Total Liabilities and Shareholders’ Equity		9,448,500,000		10,543,300,000
Trade [Member]
LIABILITIES AND SHAREHOLDERS’ EQUITY
Vehicle floorplan payable		1,499,100,000		2,120,600,000
Non-Trade [Member]
LIABILITIES AND SHAREHOLDERS’ EQUITY
Vehicle floorplan payable		$ 1,023,800,000		$ 1,455,200,000

[1] Net of accumulated impairment losses of $1.47 billion associated with our single reporting unit (prior to September 30, 2008, our reporting unit structure was comprised of a single reporting unit) and $140.0 million associated with our Domestic reporting unit, both of which were recorded during the year ended December 31, 2008.

[2] Net of accumulated impairment losses of $257.4 million associated with our Premium Luxury reporting unit, $41.6 million associated with our Collision Centers reporting unit, and $19.3 million associated with our Parts Centers reporting unit, each of which were recorded during the three months ended March 31, 2020.