Property and Equipment (Tables)

12 Months Ended

May 31, 2013

Property, Plant and Equipment [Abstract]

Depreciation is calculated using the straight-line method primarily over the following estimated useful lives of the assets based on industry and company specific experience, in years:



Buildings	30 to 40
Building improvements	5 to 20
Equipment	3 to 10
Leasehold improvements	2 to 15



(In thousands)	2013		2012

Land	$	112,311	$	108,176
Buildings and improvements	512,717		497,249
Equipment	1,631,213		1,478,270
Leasehold improvements	27,543		25,502
Construction in progress	58,463		62,370
	2,342,247		2,171,567
Less: accumulated depreciation	1,355,544		1,218,980
	$	986,703	$	952,587

- 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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