Property, Plant and Equipment (Tables)

12 Months Ended

May 31, 2013

Property, Plant and Equipment [Abstract]

Useful Lives of Property, Plant and Equipment

Useful lives by major product category consisted of the following:



	Useful life
Land improvements	20 years
Buildings and leasehold improvements	30 years
Machinery and equipment	5-10 years
Instruments	4 years

Components of Property, Plant and Equipment

Property, plant and equipment consisted of the following:



(in millions)	May 31, 2013		May 31, 2012
Land and land improvements	$	40.5	$	40.2
Buildings and leasehold improvements	106.3		89.9
Machinery and equipment	375.4		342.3
Instruments	710.5		633.3
Construction in progress	48.8		29.1
Total property, plant and equipment	1,281.5		1,134.8
Accumulated depreciation	(616.3)		(541.2)
Total property, plant and equipment, net	$	665.2	$	593.6

- 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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