Commitments And Contingencies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Legal Disclosure [Abstract]
Amount accured for product liability claims	$ 85	$ 135
Outstanding commitments for purchase of inventory, raw materials and supplies	16,177
Outstanding commitments for purchase of capital equipment	7,362
Purchases under distribution agreements	1,408
Product development payments	$ 2,100