Income Taxes (Effective Income Tax Reconciliation) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
U.S. federal corporate tax rate	35.00%	35.00%	35.00%
Tax on international operations less than U.S. tax rate	(5.30%)	(5.90%)	(8.20%)
Non-benefited losses	0.00%	0.60%	0.00%
Reversal of prior valuation allowance	(1.00%)	0.00%	(0.10%)
Reversal of reserves for unrecognized tax benefits	(0.80%)	(0.20%)	(0.80%)
U.S. tax on international earnings, net of foreign tax credits	0.10%	(1.20%)	(1.50%)
State income taxes, net of federal tax effect	0.10%	(1.00%)	0.70%
U.S. research and development credits	(1.80%)	0.00%	(1.10%)
Other business credits and Section 199 Deduction	(0.50%)	(1.00%)	(1.30%)
Non-deductible debt premium	0.00%	2.00%	0.00%
Other	1.60%	1.90%	2.60%
Effective tax rate	27.40%	30.20%	25.30%
Discrete tax charge, change in enacted tax rate	$ 1.3	$ 0.8	$ 1.4
Discrete tax benefit, R&D credit	1.3
Discrete tax charge, foreign tax credit		1.0
Discrete tax charge, other adj	$ 3.5	$ 0.3