Goodwill (Tables)

6 Months Ended

Jul. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The change in the carrying amount of goodwill during the six months ended July 31, 2014 is as follows:

	Platform Solutions and Emerging Business		Architecture, Engineering and Construction			Manufacturing		Media and Entertainment			Total
Balances as of January 31, 2014
Goodwill	$	142.3	$	415.2		$	411.6	$	190.0		$	1,159.1
Accumulated impairment losses	—		—			—		(149.2		)	(149.2		)
	142.3		415.2			411.6		40.8			1,009.9
Delcam	—		—			192.8		—			192.8
Within Technologies	80.6		—			—		—			80.6
Shotgun	—		—			—		43.2			43.2
Addition arising from other acquisitions	68.8		15.5			17.9		15.3			117.5
Effect of foreign currency translation and purchase accounting adjustments	1.5		(1.2		)	4.2		(0.9		)	3.6
Balance as of July 31, 2014
Goodwill	293.2		429.5			626.5		247.6			1,596.8
Accumulated impairment losses	—		—			—		(149.2		)	(149.2		)
	$	293.2	$	429.5		$	626.5	$	98.4		$	1,447.6