Goodwill And Other Intangibles (Narrative) (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2011	Jul. 02, 2010	Jul. 01, 2011	Jul. 02, 2010
Amortization expense of intangible assets	$ 6.3	$ 5.9	$ 12.6	$ 11.8
Estimated amortization expense, 2011			25.0
Goodwill impairment charge	0
Maximum [Member]
Estimated amortization expense, 2012			23.0
Estimated amortization expense, 2013			23.0
Estimated amortization expense, 2014			23.0
Estimated amortization expense, 2015			23.0
Minimum [Member]
Estimated amortization expense, 2012			21.0
Estimated amortization expense, 2013			21.0
Estimated amortization expense, 2014			21.0
Estimated amortization expense, 2015			$ 21.0