Intangible Assets (Tables)

6 Months Ended

11 Months Ended

Oct. 31, 2015

Apr. 30, 2015

Intangible Assets [Abstract]

Schedule of intangible assets

		October 31, 2015						April 30, 2015
		Gross						Gross					Estimated
		Carrying		Accumulated				Carrying		Accumulated			Useful Lives
(in millions)		Amounts		Amortization		Net (1)		Amounts		Amortization		Net	(in years)
Customer contracts
and relationships	$	1,991.7	$	1,223.4	$	768.3	$	1,735.2	$	1,168.4	$	566.8	2 - 15
Acquired and
developed technology		1,117.5		893.7		223.8		1,029.2		868.5		160.7	2 - 11
Tradenames		137.9		128.9		9.0		132.6		129.1		3.5	1 - 20
Total	$	3,247.1	$	2,246.0	$	1,001.1	$	2,897.0	$	2,166.0	$	731.0

(1)Net intangible assets decreased from April 30, 2015 to October 31, 2015 by approximately $5.8 million due to cumulative foreign currency translation adjustments, reflecting movement in the currencies of the applicable underlying entities.

		April 30, 2015						May 31, 2014
	Gross							Gross					Estimated
	Carrying		Accumulated					Carrying		Accumulated			Useful Lives
(in millions)	Amounts		Amortization		Net (1)			Amounts		Amortization		Net	(in years)
Customer contracts
and relationships	$	1,735.2	$	1,168.4	$	566.8	$	1,840.2	$	1,118.2	$	722.0	2 - 15
Acquired and
developed technology		1,029.2		868.5		160.7		1,082.4		859.0		223.4	2 - 11
Tradenames		132.6		129.1		3.5		137.6		132.3		5.3	1 - 20
Total	$	2,897.0	$	2,166.0	$	731.0	$	3,060.2	$	2,109.5	$	950.7

(1)Net intangible assets decreased from May 31, 2014, to April 30, 2015, by approximately $42.4 million due to cumulative foreign currency translation adjustments, reflecting movement in the currencies of the applicable underlying entities.

Amortization expense by asset type

		Three Months Ended				Six Months Ended
		October 31,				October 31,
(in millions)		2015		2014		2015		2014
Customer contracts and relationships	$	34.3	$	35.9	$	67.0	$	73.1
Acquired and developed technology		16.1		17.8		32.5		36.2
Tradenames		0.3		0.3		0.4		2.0
Total	$	50.7	$	54.0	$	99.9	$	111.3

		11 Months Ended		Year Ended May 31,
(in millions)		April 30, 2015		2014		2013
Customer contracts and relationships	$	129.1	$	153.1	$	161.0
Acquired and developed technology		64.3		72.2		75.4
Tradenames		1.5		9.4		9.7
Total	$	194.9	$	234.7	$	246.1

Estimated future amortization expense

(in millions)
Fiscal 2016 (remaining 6 months)	$	110.8
Fiscal 2017		179.8
Fiscal 2018		132.4
Fiscal 2019		115.2
Fiscal 2020		106.5
Fiscal 2021		100.5
Thereafter		255.9
Total	$	1,001.1

(in millions)
Fiscal 2016	$	187.4
Fiscal 2017		139.6
Fiscal 2018		92.9
Fiscal 2019		78.1
Fiscal 2020		70.9
Thereafter		162.1
Total	$	731.0