Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2011


	December 31,
	2011			2010
Building and leasehold improvements	$	72,473		$	73,150
Laboratory equipment		33,705			31,871
Manufacturing equipment		12,135			13,386
Furniture, fixtures and other equipment		20,750			22,803

Depreciable property and equipment at cost		139,063			141,210
Less: accumulated depreciation		(62,237	)		(53,994	)

Depreciable property and equipment, net		76,826			87,216
Construction- in-progress		1,750			2,557

Property and equipment, net	$	78,576		$	89,773

- 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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