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.

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+ Details

Selected Asset Information (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2011 Goodwill	Sep. 30, 2011 Goodwill	Sep. 30, 2012 Goodwill Income approach
Goodwill
Period to estimate cash flows					5 years
Long-term growth rate					5.00%
Discount rate					17.00%
Goodwill impairment charges	$ 132.4	$ 132.4	$ 92.4	$ 40.0