Lines of Credit and Financing Arrangements Debt Repayments (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
debt repayments [Line Items]
Proceeds from (Repayments of) Debt	$ 18.1us-gaap_ProceedsFromRepaymentsOfDebt	$ 18.3us-gaap_ProceedsFromRepaymentsOfDebt	$ 18.5us-gaap_ProceedsFromRepaymentsOfDebt
debt repayments [Table Text Block]	16.6	16.3	18.3

The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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