Acquisition And Goodwill (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended	9 Months Ended
	Oct. 02, 2011 years	Jul. 03, 2011 years	Oct. 02, 2011	Mar. 03, 2011
Acquisition And Goodwill
Aggregate purchase price of business acquisition				$ 197
Transaction costs	0.3		5.1
Total business acquisition cost	0.6		5.8
Business acquisition, assumed liability				1
Useful life of acquired customer relationships	11	13
Reduction in the value of that asset	18.5
Total amortization expense on other acquired intangibles	$ 3.3		$ 7.6