Notes Receivables (Details Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Notes Receivables (Textuals) [Abstract]
No. of loans receivable outstanding	6	6	7
Discretionary Commitments	$ 3.2	$ 3.2	$ 4.0
Face value of note receivable sold, including accrued interest	11.8	11.8
Sale proceeds on note receivable	6.8	6.8
Reserve Included In Other Expenses	$ 5.0	$ 5.0

The cash inflow associated with the sale of loans receivables arising from the financing of goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 15

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 16
-Subparagraph a

Name:	us-gaap_ProceedsFromSaleOfLoansReceivable
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration