Summary of Significant Accounting Policies (Property, Plant and Equipment) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Accounting Policies [Abstract]
Land and land improvements	$ 6.5	$ 5.7
Buildings	58.2	55.8
Machinery and equipment	261.5	245.2
Total property, plant and equipment	326.2	306.7
Less accumulated depreciation	210.8	206.7
Net property, plant and equipment	$ 115.4	$ 100.0	[1]

[1] Adjusted to reflect the discontinued operations.