Goodwill and intangible assets (Tables)

12 Months Ended

Jul. 31, 2014

Intangible Assets

Intangible assets at July 31, 2014 and 2013 consisted of the following:

		July 31, 2014						July 31, 2013
(in millions)	Weighted-Average Amortization Period	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Developed technologies	10 years	$	29.6	$	9.0	$	20.6	$	18.1	$	6.6	$	11.5
Customer relationships	13 years		43.9		15.1		28.8		43.9		10.2		33.7
Trade names	3 years*		8.5		0.5		8.0		8.5		0.1		8.4
In-process research and development	—		—		—		—		1.9		—		1.9
Total intangible assets		$	82.0	$	24.6	$	57.4	$	72.4	$	16.9	$	55.5

* $7.6 Million of Trade names are Non-Amortizable

Estimated Future Amortization Expenses Related to Intangible Assets

The estimated future amortization expenses related to intangible assets for succeeding fiscal years is expected to be as follows:

(in millions)
2015	$	8.7
2016		7.8
2017		7.1
2018		6.1
2019		4.9
Thereafter		15.2
	$	49.8