Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Nov. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets consisted of the following at November 30, 2014 and May 31, 2014:

(in millions)	November 30, 2014
	Gross					Net
	Carrying		Accumulated			Carrying
	Amount		Amortization			Amount
Core technology	$	1,748.9	$	(605.4	)	$	1,143.5
Completed technology	662.7		(281.3		)	381.4
Product trade names	188.8		(80.4		)	108.4
Customer relationships	2,304.7		(1,021.1		)	1,283.6
Non-compete contracts	4.9		(4.6		)	0.3
Sub-total	4,910.0		(1,992.8		)	2,917.2
Corporate trade names	301.4		—			301.4
Total	$	5,211.4	$	(1,992.8	)	$	3,218.6

(in millions)	May 31, 2014
	Gross					Net
	Carrying		Accumulated			Carrying
	Amount		Amortization			Amount
Core technology	$	1,743.3	$	(569.8	)	$	1,173.5
Completed technology	672.0		(262.1		)	409.9
Product trade names	208.1		(77.6		)	130.5
Customer relationships	2,371.6		(955.9		)	1,415.7
Non-compete contracts	4.9		(4.6		)	0.3
Sub-total	4,999.9		(1,870.0		)	3,129.9
Corporate trade names	309.7		—			309.7
Total	$	5,309.6	$	(1,870.0	)	$	3,439.6

Weighted Average Useful Life of Intangible Assets

The weighted average useful life of the intangibles at November 30, 2014 is as follows:

	Weighted Average Useful Life
Core technology	14 years
Completed technology	8 years
Product trade names	12 years
Customer relationships	13 years
Non-compete contracts	1 year
Corporate trade names	Indefinite life