Income Tax Provision (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Provision [Line Items]
Current Federal Tax Expense (Benefit)	$ 24.5	$ 20.7	$ 45.3
Current State and Local Tax Expense (Benefit)	5.9	10.5	(3.8)
Current Foreign Tax Expense (Benefit)	19.2	30.2	57.1
Current Income Tax Expense (Benefit)	49.6	61.4	98.6
Deferred Income Taxes and Tax Credits	39.3	88.6	71.2
Income Tax Expense (Benefit) - including discontinued operations	88.9	150.0	169.8
Income tax expense from discontinued operations	(0.2)	30.0	8.3
Income Tax Expense (Benefit)	89.1	120.0	161.5
Income (Loss) from Continuing Operations before Income Taxes, Foreign	$ 163.3	$ 156.3	$ 228.8