Impairment and Restructuring Charges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Restructuring and Related Cost [Line Items]
Tangible Asset Impairment Charges		$ 0.4		$ 0.4
Impairment and Restructuring Charges for the Mobile Segment
Severance expense and related benefit costs	16.5	0.2	16.6	0.1
Exit costs	0.2	5.6	0.3	6.8
Total	16.7	6.2	16.9	7.3
Mobile Industries [Member]
Restructuring and Related Cost [Line Items]
Tangible Asset Impairment Charges		0.1		0.1
Impairment and Restructuring Charges for the Mobile Segment
Severance expense and related benefit costs	16.2	0.2	16.3	0.1
Exit costs	0.2	5.4	0.3	6.6
Total	16.4	5.7	16.6	6.8
Process Industries [Member]
Restructuring and Related Cost [Line Items]
Tangible Asset Impairment Charges		0.2		0.2
Impairment and Restructuring Charges for the Mobile Segment
Severance expense and related benefit costs	0.3	0	0.3	0
Exit costs	0	0.2	0	0.2
Total	0.3	0.4	0.3	0.4
Aerospace and Defense [Member]
Restructuring and Related Cost [Line Items]
Tangible Asset Impairment Charges		0.1		0.1
Impairment and Restructuring Charges for the Mobile Segment
Severance expense and related benefit costs	0	0	0	0
Exit costs	0	0	0	0
Total	$ 0	$ 0.1	$ 0	$ 0.1

The charge against earnings in the period, comprised of costs incurred associated with an exit or disposal activity other than for a discontinued operations as defined under generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

+ References

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

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

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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.

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

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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.

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

-Publisher FASB

-Name Accounting Standards Codification

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-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.

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 112

-Paragraph 7

-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.

Reference 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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+ Details