Goodwill and Identifiable Intangible Assets (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2012
Goodwill and Identifiable Intangible Assets (Textual) [Abstract]
Interim goodwill impairment	$ 9.9
Identifiable intangible assets write-off	$ 0.4

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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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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