Income Taxes (Details Textuals) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Abstract]
Current income taxes payable	$ 27.9	$ 2.0
Federal tax net operating loss carryforward	8.5
State tax net operating loss carryforward	17.6
Foreign tax net operating loss carryforward	71.7
Foreign loss carryforward indefinetly	11.7
Valuation allowances against our state loss carryforwards	5.0
Valuation allowances against our foreign loss carryforwards	20.0
Recorded tax liabilities for unrecognized gross tax benefits	6.3	5.0
Decrease in recorded tax liabilities for unrecognized gross tax benefits	0.1
Net interest expense for uncertain tax positions	0.7	0.3	0.5
Accrued interest payable for uncertain tax positions	$ 1.9