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.

+ 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

Goodwill And Intangible Assets (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Indicators of impairment
Amortization expense of intangible assets	$ 1,200	$ 1,200	$ 3,713	$ 3,588
Customer Relationships [Member]
Weighted-average remaining lives of intangible assets			6 years 3 months 18 days
Trade Name [Member]
Weighted-average remaining lives of intangible assets			7 years 7 months 6 days