Supplemental Cash Flow Information (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest Paid	$ 13.3	$ 15.0
Income Taxes Paid, Net	1.1	3.3
Capital Expenditures Incurred but Not yet Paid	$ 7.3	$ 16.6