Consolidated Financial Statements Consolidated Financial Statements (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014
Accounting Policies [Abstract]
Proceeds from sale of finance receivables	$ 1.3	$ 22.3

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

No definition available.

Name:	us-gaap_ProceedsFromSaleOfFinanceReceivables
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration