Goodwill And Other Intangibles (Schedule Of Changes To Goodwill) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 27, 2014	Jun. 28, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Goodwill [Line Items]
Beginning balance				$ 1,081.9
Less: Impairment Charges	0	(1.0)	0	(1.0)	0
Translation Adjustments				(5.0)
Ending balance	1,126.3			1,126.3
Cumulative Goodwill Impairment Charges	77.3			77.3
Electrical Segment [Member]
Goodwill [Line Items]
Beginning balance				1,055.0
Acquisitions and Valuation Adjustments				50.4
Less: Impairment Charges				(1.0)
Translation Adjustments				(5.0)
Ending balance	1,099.4			1,099.4
Cumulative Goodwill Impairment Charges	65.2			65.2
Mechanical Segment [Member]
Goodwill [Line Items]
Beginning balance				26.9
Acquisitions and Valuation Adjustments				0
Less: Impairment Charges				0
Translation Adjustments				0
Ending balance	26.9			26.9
Cumulative Goodwill Impairment Charges	$ 12.1			$ 12.1