Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Goodwill and Other Intangible Assets (Textual) [Abstract]
Amortization expense for intangible assets	$ 9.0	$ 9.1
Future Amortization Expense Year 2015	28.4
Future Amortization Expense Year 2016	28.8
Future Amortization Expense Year 2017	24.4
Future Amortization Expense Year 2018	19.6
Future Amortization Expense Year 2019	$ 15.8