Acquisitions (Details 3) (Handy Lab [Member], USD $) In Thousands	Sep. 30, 2011	Nov. 19, 2009
Handy Lab [Member]
Fair values of the assets acquired and liabilities assumed
Acquired in-process research and development	$ 169,000	$ 169,000
Deferred tax assets	23,000
Other	8,843
Total identifiable assets acquired	200,843
Deferred tax liabilities	(64,221)
Other	(6,468)
Total liabilities assumed	(70,689)
Net identifiable assets acquired	130,154
Goodwill	147,456
Total	$ 277,610	$ 277,610