Goodwill and Intangible (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Goodwill Roll Forward
Goodwill, Beginning Balance	$ 800.4
Goodwill Acquired	69.9
Translation adjustments	2.9
Goodwill, Ending Balance	873.2
Payments To Acquire Businesses Net Of Cash Acquired	147.3	81.7
Goodwill, Acquired During Period	69.9
Other Intangible Assets [Line Items]
Gross Amount Finite Intangible	387.4		333.4
Gross Amount Indefinite Lived Intangible	55.9		55.9
Total Gross Other Intangible Assets	443.3		389.3
Accumulated Amortization Intangible	(112.1)		(102.7)
Finite-Lived Intangible Assets, Future Amortization Expense, Current and Five Succeeding Fiscal Years [Abstract]
Year to date amortization expense	11.7	9.6
Future Amortization Expense, Remainder of Fiscal Year	11.5
Future Amort Yr1	21.5
Future Amort Yr2	20.6
Future Amort Yr3	19.4
Future Amort Yr4	17.7
Future Amort Yr5	16.3
Goodwill Annual Impairment Test [Abstract]
Excess Of Goodwill Implied Fair Value Over Carrying Value Beginning Range	100.00%
Excess Of Goodwill Implied Fair Value Over Carrying Value End Of Range	400.00%
Disclosure Of Date Of Annual Goodwill Impairment Test	Apr. 01, 2014
Tradenames Other [Member]
Other Intangible Assets [Line Items]
Gross Amount Indefinite Lived Intangible	55.9		55.9
Patents Tradenames Trademarks [Member]
Other Intangible Assets [Line Items]
Gross Amount Finite Intangible	125.5		111.2
Accumulated Amortization Intangible	(30.2)		(27.7)
Customer Relationships [Member]
Other Intangible Assets [Line Items]
Gross Amount Finite Intangible	261.9		222.2
Accumulated Amortization Intangible	(81.9)		(75.0)
Electrical [Member]
Goodwill Roll Forward
Goodwill, Beginning Balance	520.9
Goodwill Acquired	52.1
Translation adjustments	2.2
Goodwill, Ending Balance	575.2
Power [Member]
Goodwill Roll Forward
Goodwill, Beginning Balance	279.5
Goodwill Acquired	17.8
Translation adjustments	0.7
Goodwill, Ending Balance	$ 298.0