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

- Definition

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

+ References+ Details

Quarterly Financial Information (unaudited) (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Quarterly Financial Information (Textual) [Abstract]
Reduction in Pension Cost Compared to Previous Year					$ 4.1
Reduction in Pension Cost Compared to Previous Quarter					3.5
Impairment of goodwill	7.6								7.6	0	0
Impairment of assets	7.0								7.0		6.4
Restructuring charges	$ 1.6	$ 10.8	$ 2.4	$ 1.2	$ 0.5	$ 4.7	$ 3.2	$ 7.2	$ 16.0	$ 15.6	$ 41.5