Lines of Credit and Financing Arrangements (Details 3) (Revolving Credit Facility [Member])	Mar. 31, 2015	Dec. 31, 2014
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Weighted average borrowing rate	1.66%	1.88%

Weighted average interest rate of long-term debt outstanding.

No definition available.

Name:	us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant