Goodwill And Other Intangibles (Schedule Of Changes To Goodwill) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	$ 77.3		$ 77.3
Beginning balance			1,081.9
Goodwill, Acquired During Period			40.6
Asset Impairment Charges	1.0	0	1.0	0
Foreign Currency Translation Adjustments			0.1
Ending balance	1,121.4		1,121.4
Electrical Segment [Member]
Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	65.2		65.2
Beginning balance			1,055.0
Goodwill, Acquired During Period			0
Asset Impairment Charges	1.0		1.0
Foreign Currency Translation Adjustments			0.2
Ending balance	1,094.4		1,094.4
Mechanical Segment [Member]
Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	12.1		12.1
Beginning balance			26.9
Asset Impairment Charges	0		0
Foreign Currency Translation Adjustments			0.1
Ending balance	$ 27.0		$ 27.0