Property and Equipment (Tables)

12 Months Ended

May 31, 2012

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

As of May 31, 2012 and 2011, property and equipment consisted of the following:



	Range of Useful Lives in Years	2012		2011
		(in thousands)
Land	N/A	$	1,892	$	2,298
Buildings	25-30	33,753		40,426
Equipment	2-5	185,742		175,446
Software	5-10	162,065		125,248
Leasehold improvements	5-15	11,965		11,583
Furniture and fixtures	5-7	5,307		5,278
Work in progress	N/A	67,035		43,692
		467,759		403,971
Less accumulated depreciation and amortization of property and equipment		161,911		147,670
		$	305,848	$	256,301

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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