Goodwill and Intangible Assets (Tables)

12 Months Ended

May. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill and Intangible Assets

As of May 31, 2015 and 2014, goodwill and intangible assets consisted of the following:



	2015		2014

	(in thousands)
Goodwill	$	1,491,833	$	1,337,285
Other intangible assets:
Customer-related intangible assets	$	718,011	$	714,704
Trademarks and trade names	10,777		6,140
Acquired technology	93,194		25,700
Contract-based intangible assets	130,874		145,967
	952,856		892,511
Less accumulated amortization:
Customer-related intangible assets	342,488		317,629
Trademarks and trade names	4,437		4,147
Acquired technology	8,509		3,531
Contract-based intangible assets	37,286		32,031
	392,720		357,338
	$	560,136	$	535,173

Schedule of Goodwill

The following table sets forth the changes in the carrying amount of goodwill for the years ended May 31, 2015 and 2014:



	North America			Europe			Asia-Pacific			Total

	(in thousands)
Balance at May 31, 2013	$	519,175		$	464,769		$	60,278		$	1,044,222
Accumulated impairment losses	—			—			—			—
Balance at May 31, 2013	519,175			464,769			60,278			1,044,222

Goodwill acquired	271,577			—			—			271,577
Effect of foreign currency translation	(4,097		)	26,269			(686		)	21,486
Balance at May 31, 2014	786,655			491,038			59,592			1,337,285
Accumulated impairment losses	—			—			—			—
Balance at May 31, 2014	786,655			491,038			59,592			1,337,285

Goodwill acquired	4,794			67,220			192,225			264,239
Effect of foreign currency translation	(11,715		)	(72,337		)	(25,639		)	(109,691		)
Balance at May 31, 2015	779,734			485,921			226,178			1,491,833
Accumulated impairment losses	—			—			—			—
Balance at May 31, 2015	$	779,734		$	485,921		$	226,178		$	1,491,833

Schedule of Expected Amortization Expense

The estimated amortization expense of acquired intangibles as of May 31, 2015 for the next five fiscal years, calculated using the exchange rate at the date of acquisition, if applicable, is as follows (in thousands):



2016	$	76,295
2017	71,471
2018	65,004
2019	61,234
2020	55,889