Impairments, Restructuring Charges, and Other Items (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Summary of impairment, restructuring, and other charges
Severance, restructuring costs, and special termination benefits	$ 0.5	$ 0.8	$ 2.8	$ 2.0
Impairments and restructuring business process re-engineering	1.5	0	2.1	0
Impairments and restructuring Corporate Moving costs	0	0	0.5	0
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments	0	(45.0)	0	(45.0)
Total impairments, restructuring charges, and other items	$ 2.0	$ (44.2)	$ 5.4	$ (43.0)

The amount of net gain (loss) recognized in net periodic benefit cost as a result of an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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