Consolidated Valuation And Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2011 Accounts Receivable - Allowance For Doubtful Accounts [Member]	Dec. 31, 2010 Accounts Receivable - Allowance For Doubtful Accounts [Member]	Dec. 31, 2009 Accounts Receivable - Allowance For Doubtful Accounts [Member]	Dec. 31, 2011 Finance Receivables - Allowance For Credit Losses [Member]		Dec. 31, 2010 Finance Receivables - Allowance For Credit Losses [Member]		Dec. 31, 2009 Finance Receivables - Allowance For Credit Losses [Member]		Dec. 31, 2011 Inventories - Allowance For Obsolescence [Member]		Dec. 31, 2010 Inventories - Allowance For Obsolescence [Member]		Dec. 31, 2009 Inventories - Allowance For Obsolescence [Member]		Dec. 31, 2011 Deferred Tax Assets - Valuation Allowance [Member]	Dec. 31, 2010 Deferred Tax Assets - Valuation Allowance [Member]	Dec. 31, 2009 Deferred Tax Assets - Valuation Allowance [Member]	Dec. 31, 2008 Deferred Tax Assets - Valuation Allowance [Member]
Valuation Allowance [Line Items]
Balance at beginning of period		$ 10,357	$ 11,409	$ 6,240	$ 173,589		$ 150,082		$ 40,068		$ 34,180	[1]	$ 34,745	[1]	$ 24,091	[1]
Provision charged to expense		1,408	3,216	7,715							4,885	[1]	17,142	[1]	36,476	[1]
Reserve adjustments		(6,633)	(3,837)	(674)							(466)	[1]	636	[1]	(206)	[1]
Write-offs, net of recoveries		(180)	(431)	(1,872)							(15,395)	[1]	(18,343)	[1]	(25,616)	[1]
Allowance related to newly consolidated finance receivables	49,400,000					[2]	49,424	[2]		[2]
Provision for finance credit losses					17,031		93,118		169,206
Charge-offs, net of recoveries					(65,171)		(119,035)		(59,192)
Balance at end of period		4,952	10,357	11,409	125,449		173,589		150,082		23,204	[1]	34,180	[1]	34,745	[1]
Balance at beginning of period	27,048																14,914	27,048	22,170
Allowance for operating loss and credit carryforwards																	(12,134)	4,878	22,170
Balance at end of period	$ 14,914																$ 14,914	$ 27,048	$ 22,170

[1] Inventory obsolescence reserves deducted from cost determined on first-in first-out (FIFO) basis, before deductions for last-in, first-out (LIFO) valuation reserves.

[2] As part of the required consolidation of formerly off-balance sheet securitization trusts, the Company consolidated a $49.4 million allowance for credit losses related to the newly consolidated finance receivables.