Other Intangible Assets
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12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2011
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Intangible Assets, Net (Excluding Goodwill) [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Other Intangible Assets | Other Intangible Assets Other intangible assets consist of the following:
Amortization expense for amortizable intangible assets, which consist primarily of customer relationships, was $16.5 million, $19.1 million, and $22.1 million for the years ended December 31, 2011, 2010, and 2009, respectively. Other intangible assets primarily represent non-amortizable intangible assets such as trademarks and licenses. Estimated amortization expense for the next five years for assets owned at December 31, 2011, is $18.3 million in 2012, $14.3 million in 2013, $11.5 million in 2014, $10.5 million in 2015 and $9.4 million in 2016. |