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Acquisitions (Details 2) (Handy Lab [Member], USD $) In Thousands	Sep. 30, 2011	Nov. 19, 2009
Handy Lab [Member]
Fair value of consideration transferred
Cash		$ 274,756
Settlement of preexisting relationship		2,854
Total	$ 277,610	$ 277,610

This element represents the acquisition-date fair value of the total consideration transferred which consists of the sum of the acquisition-date fair values of the assets transferred by the acquirer, the liabilities incurred by the acquirer to former owners of the acquiree, and the equity interests issued by the acquirer.

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