Selected Quarterly Financial Data (Unaudited) (Details Textual) (USD $)	3 Months Ended			12 Months Ended		3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Jun. 30, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Medical Technology Business [Member]
Effect of Fourth Quarter Events [Line Items]
Non-cash goodwill impairment charge				$ 21,310,000		$ 21,300,000
Diluted per share impact of non-cash, goodwill impairment charge						$ 0.25
Selected quarterly financial data (Textual) [Abstract]
Cost incurred in conjunction with refinance of senior credit facility	2,800,000	2,600,000
Cost incurred in conjunction with refinance of senior credit facility per diluted share	$ 0.02	$ 0.02
Tax expenses related to Settlement		3,500,000			3,500,000
Settlement of taxes, per diluted share		$ 0.04
Consulting and supplemental executive retirement plan expenses			$ 14,500,000