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Beginning of range of excess of estimated fair value goodwill, determined in connection with annual goodwill impairment test, over carrying value expressed as a percentage of carrying value

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End of range of excess of estimated fair value goodwill, determined in connection with annual goodwill impairment test, over carrying value expressed as a percentage of carrying value

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- Definition

The aggregate gross carrying amount (including any previously recognized impairment charges) of both major finite-lived intangible asset class and indefinite lived. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

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- Definition

Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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The amount of amortization expense expected to be recognized during the remainder of the current fiscal year.

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The amount of amortization expense expected to be recognized during year five of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years.

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- Definition

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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Reference 1: 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.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The increase (decrease) to the recorded value of goodwill for foreign currency translation adjustments.

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Reference 1: 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.

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Sum of the carrying amounts (original costs for current and prior period additions adjusted for impairment, if any) as of the balance sheet date of intangible assets, excluding goodwill, having a projected indefinite period of benefit.

+ References

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Goodwill and Intangible (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Goodwill Roll Forward
Goodwill, Beginning Balance	$ 724.0
Translation adjustments	3.6
Goodwill, Ending Balance	727.6
Other Intangible Assets [Line Items]
Gross Amount Finite Intangible	267.7		266.7
Gross Amount Indefinite Lived Intangible	56.8		56.6
Total Gross Other Intangible Assets	324.5		323.3
Accumulated Amortization Intangible	(58.0)		(49.8)
Finite-Lived Intangible Assets, Future Amortization Expense, Current and Five Succeeding Fiscal Years [Abstract]
Year to date amortization expense	8.3	8.2
Remaining for year ended December 31, 2011	7.7
Year ended December 31, 2012	15.4
Year ended December 31, 2013	15.0
Year ended December 31, 2014	14.5
Year ended December 31, 2015	13.2
Year ended December 31, 2016	12.5
Goodwill Annual Impairment Test [Abstract]
Excess Of Goodwill Implied Fair Value Over Carrying Value Beginning Range	75.00%
Excess Of Goodwill Implied Fair Value Over Carrying Value End Of Range	225.00%
Disclosure Of Date Of Annual Goodwill Impairment Test	Apr. 01, 2011
Electrical [Member]
Goodwill Roll Forward
Goodwill, Beginning Balance	448.2
Translation adjustments	2.7
Goodwill, Ending Balance	450.9
Power [Member]
Goodwill Roll Forward
Goodwill, Beginning Balance	275.8
Translation adjustments	0.9
Goodwill, Ending Balance	276.7
Patents Tradenames Trademarks [Member]
Other Intangible Assets [Line Items]
Gross Amount Finite Intangible	84.0		83.6
Accumulated Amortization Intangible	(17.3)		(15.2)
Customer Relationships [Member]
Other Intangible Assets [Line Items]
Gross Amount Finite Intangible	183.7		183.1
Accumulated Amortization Intangible	(40.7)		(34.6)
Tradenames Other [Member]
Other Intangible Assets [Line Items]
Gross Amount Indefinite Lived Intangible	$ 56.8		$ 56.6