Goodwill and Other Intangible Assets (Schedule of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended	44 Months Ended
	May 31, 2008	Dec. 31, 2012	Dec. 31, 2011
Goodwill [Roll Forward]
Beginning Balance		$ 11,569
Goodwill acquired during the year	2,900	1,727	2,500
Ending Balance		13,296	11,569
U.S. Medical [Member]
Goodwill [Roll Forward]
Beginning Balance		6,165
Goodwill acquired during the year		760
Ending Balance		6,925
International Medical [Member]
Goodwill [Roll Forward]
Beginning Balance		5,404
Goodwill acquired during the year		967
Ending Balance		$ 6,371