Fair Value Measurements (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
Jun. 30, 2009	Dec. 31, 2009
Fair Value Measurements [Abstract]
Net goodwill impairment charge		$ 252.5
Impairment charges, indefinite-lived intangible asset	$ 9.9	$ 9.9

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