Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Feb. 29, 2012	Feb. 28, 2011
Property, Plant and Equipment
Property, plant and equipment - at cost	$ 900,779	$ 849,552
Less accumulated depreciation	623,182	607,903
PROPERTY, PLANT AND EQUIPMENT- NET	277,597	241,649
Land [Member]
Property, Plant and Equipment
Property, plant and equipment - at cost	17,727	10,552
Buildings [Member]
Property, Plant and Equipment
Property, plant and equipment - at cost	186,205	176,879
Capitalized software [Member]
Property, Plant and Equipment
Property, plant and equipment - at cost	240,424	221,564
Equipment and fixtures [Member]
Property, Plant and Equipment
Property, plant and equipment - at cost	$ 456,423	$ 440,557

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can 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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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. 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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