XML 55 R41.htm IDEA: XBRL DOCUMENT

Goodwill and Other Intangible Assets (Schedule of Amortization of Intangible Assets) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Goodwill and Other Intangible Assets
Intangible asset amortization expense	$ 4,510	$ 4,249	$ 8,851	$ 8,788

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