Income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Undistributed Earnings of Foreign Subsidiaries	$ 122
Tax effected in state net operating loss carryforwards	3.8	5.0
Tax effected in foreign net operating loss carryforwards	18.5	21.8
Future foreign taxable income	71.2
Domestic Taxable Income	201.6	198.7
Unrecognized tax benefits that would impact the effective tax rate	1.2
Interest and penalties in income tax expense	$ 0.2