Goodwill and Intangible Assets (Tables)

9 Months Ended

Apr. 30, 2015

Intangible Assets

Intangible assets are summarized as follows:

			As of April 30, 2015						As of July 31, 2014
(in millions)	Weighted Average Amortization Period		Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Developed technologies		10 years	$	30.3	$	11.5	$	18.8	$	29.6	$	9.0	$	20.6
Customer relationships		13 years		44.2		19.1		25.1		43.9		15.1		28.8
Trade names*		3 years		8.6		0.8		7.8		8.5		0.5		8.0
Total intangible assets			$	83.1	$	31.4	$	51.7	$	82.0	$	24.6	$	57.4

* - $7.6 million of trade names are non-amortizable as of April 30, 2015 and July 31, 2014.

Estimated Future Amortization Expense Related to Intangible Assets

The estimated future amortization expense related to intangible assets for each of the five succeeding fiscal years is expected to be as follows:

(in millions)	Estimated Future Amortization Expense
2015 (remaining three months)	$	2.2
2016		8.0
2017		7.2
2018		6.2
2019		5.0
Thereafter		15.5
	$	44.1