Other Charges (Details) (USD $) In Millions	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Other Charges
Acquisition-related charges		$ 0.4	$ 0.6	$ 0.7
Transition-related charges incurred in connection with acquired businesses	1.2	0.5	2.7	0.5
Professional fees incurred in connection with the internal investigation	1.2		1.2
Loss on divestiture of business		1.0		1.0
Restructuring charges				0.2
Other charges	$ 2.4	$ 1.9	$ 4.5	$ 2.4

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 59
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=6909708&loc=d3e1043-128460

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- Definition

Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

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- Definition

The gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. It is included in income from continuing operations before income taxes in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6390789&loc=d3e2443-110228

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-Paragraph 1
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- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

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-Publisher FASB
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-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
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- Definition

Expenses charged against earnings in the period of an event that is infrequent in occurrence or unusual in nature.

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-SubTopic 20
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-URI http://asc.fasb.org/extlink&oid=6365513&loc=d3e15122-107781

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- Definition

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

+ References

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-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
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