Date when the restructuring activities were initiated or are expected to be initiated.

Amount expected to be charged against earnings in the current and future periods for the specified restructuring cost.

Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding adjustments for costs incurred during the period, costs settled during the period, and foreign currency translation adjustments.

+ References+ Details

- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

+ References+ Details

- Definition

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

-Publisher FASB

-Name Accounting Standards Codification

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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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

-Publisher FASB

-Name Accounting Standards Codification

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Reference 4: 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

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-Subsection 3, 4

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

-Publisher FASB

-Name Accounting Standards Codification

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Reference 8: 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 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 112

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

-Publisher FASB

-Name Accounting Standards Codification

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+ Details

Severance And Restructuring Charges (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended				3 Months Ended		12 Months Ended
	Dec. 31, 2009	Dec. 31, 2011	Dec. 31, 2009	Dec. 31, 2011 2010 Early Retirement/Workforce Realignment [Member]	Dec. 31, 2010 2010 Early Retirement/Workforce Realignment [Member]	Dec. 31, 2010 Severance And Restructuring Charges [Member]	Mar. 31, 2009 Severance And Restructuring Charges [Member]	Dec. 31, 2011 Facility Closure Cost [Member]	Dec. 31, 2010 Other Severance Charges And Facility Closure Costs [Member]	Dec. 31, 2009 Other Severance Charges And Facility Closure Costs [Member]	Dec. 31, 2011 Minimum [Member]	Dec. 31, 2011 Minimum [Member] Severance And Cost [Member]	Dec. 31, 2011 Maximum [Member]	Dec. 31, 2011 Maximum [Member] Severance And Cost [Member]
Restructuring Cost and Reserve [Line Items]
Pre-tax charge of network optimization and cost reduction program								$ 4			$ 7	$ 3	$ 8	$ 4
Pre-tax severance charge	0.5					9.1	3.4
Cash outlays associated with severance		5.6	2.9						0.1	0.4
Reversal portion of severance charges		0.9	0.5
Accrued liabilities	$ 0.1		$ 0.1	$ 2.6	$ 9.1
Involuntary separation plan, workforce reductions		250
Involuntary separation plan, date of announcement		Jan. 27, 2009