Other Intangible Assets, Net (Tables)

3 Months Ended

Apr. 30, 2011

Schedule of Acquired Intangible Assets by Major Class

Other intangible assets that include purchased technologies, customer relationships, trade names and the related accumulated amortization were as follows:


	April 30, 2011			January 31, 2011
Purchased technologies, at cost ⁽¹⁾	$	326.8		$	313.1
Customer relationships and trade names, at cost ⁽²⁾		200.6			179.1

		527.4			492.2
Less: Accumulated amortization		(388.9	)		(373.4	)

Other intangible assets, net	$	138.5		$	118.8

⁽¹⁾

Purchased technologies include $1.2 million and zero of in-process research and development technology as of April 30, 2011 and January 31, 2011, respectively. In-process research and development is an indefinite lived asset that is held and tested at least annually for impairment until such time that it becomes fully developed technology. Once completed, the technology is amortized to expense over an applicable useful life.

⁽²⁾	Customer relationships and trade names are included in “Other assets” in the Condensed Consolidated Balance Sheet.