Products, Major Customer, Concentration of Credit Risk Market Segment Breakdown (Tables)

12 Months Ended

Dec. 31, 2013

Market Segment Breakdown [Abstract]

Revenue from External Customers by Products and Services [Table Text Block]

	2013		2012		2011
Infusion therapy	$	211,249	$	215,319	$	198,888
Critical Care	51,484		55,519		61,400
Oncology	37,505		30,311		24,413
Other	13,478		15,751		17,494
	$	313,716	$	316,900	$	302,195

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

	As of December 31,
	2013		2012
Mexico	$	49,454	47,461
Slovakia	18,422		16,224
Italy	5,428		5,027
Germany	547		212
Total foreign	$	73,851	$	68,924
United States	139,150		129,849
Worldwide total	$	213,001	$	198,773