The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

+ References+ Details

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

+ References

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+ Details

Restructuring And Asset Impairments (Schedule Of Restructuring Asset Impairments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Restructuring Cost and Reserve [Line Items]
Asset impairments	$ 0.6	$ 0.6		$ 3.6
Intangible asset impairments		1.4
Restructuring, goodwill impairment and asset impairment charges (gains)		2.0	(0.5)	5.1
North American Plan [Member]
Restructuring Cost and Reserve [Line Items]
Intangible asset impairments		1.4
Restructuring, goodwill impairment and asset impairment charges (gains)		1.4		5.1
Mexico Plan [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairments		0.6
Restructuring, goodwill impairment and asset impairment charges (gains)		$ 0.6