Discontinued Operations (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended			0 Months Ended	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Feb. 03, 2014 Healthtronics [Member]	Dec. 31, 2013 Healthtronics [Member]	Sep. 30, 2013 Healthtronics [Member]	Dec. 28, 2013 Healthtronics [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncontrolling interests	$ 39,471,000		$ 39,471,000		$ 59,198,000		$ 59,200,000
Upfront cash payment subject to cash and other working capital adjustments									85,000,000
Future cash payments based on operating performance									45,000,000
Approved plan consideration amount									130,000,000
Pre-tax gain (loss)						(1,100,000)
Goodwill impairment charges								38,000,000
Asset impairment charges	$ 0	$ 807,000	$ 0	$ 4,756,000			$ 118,900,000