Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Significant Accounting Policies [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following at December 31:

	2012		2011
Raw material	$	20,808	$	25,227
Work in process	3,013		2,901
Finished goods	12,512		12,295
Total	$	36,333	$	40,423

Property, Plant and Equipment [Table Text Block]

Property and equipment consist of the following at December 31: 

	2012			2011
Machinery and equipment	$	78,332		$	73,390
Land, building and building improvements	61,521			60,334
Molds	27,704			24,133
Computer equipment and software	19,611			17,518
Furniture and fixtures	3,339			2,298
Construction in progress	8,266			5,277
Total property and equipment, cost	198,773			182,950
Accumulated depreciation	(112,836		)	(99,902		)
Net property and equipment	$	85,937		$	83,048

All property and equipment are stated at cost.  We use the straight-line method for depreciating property and equipment over their estimated useful lives.  Estimated useful lives are:

Buildings	15 - 30 years
Building improvements	15 years
Machinery and equipment	2 - 10 years
Furniture, fixtures and molds	2 - 5 years
Computer equipment and software	3 - 5 years

Intangible Assets Disclosure [Text Block]

Intangible Assets

Intangible assets, carried at cost less accumulated amortization and amortized on a straight-lined basis, were as follows:

	Weighted Average	December 31, 2012
	Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	9	$	10,287	$	5,350	$	4,937
MCDA contract *	10	8,571		6,571		2,000
Customer contracts	9	5,319		2,317		3,002
Trademarks	4	425		412		13
Total		$	24,602	$	14,650	$	9,952

	Weighted Average	December 31, 2011
	Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	9	$	9,142	$	4,335	$	4,807
MCDA contract *	10	8,571		5,714		2,857
Customer contracts	9	5,319		1,684		3,635
Trademarks	4	425		305		120
Total		$	23,457	$	12,038	$	11,419

*MCDA contract:  Manufacturing, Commercialization and Development Agreement with Hospira, Inc. (“Hospira”), dated May 1, 2005 (the "MCDA”).

Amortization expense in 2012, 2011 and 2010 was $2.6 million, $2.7 million and $2.8 million, respectively.  Estimated annual amortization for each of the next five years is approximately $2.5 million for 2013, $2.3 million for 2014, $1.6 million for 2015, $1.0 million for 2016 and $0.9 million for 2017.

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table presents the calculation of net earnings per common share (“EPS”) — basic and diluted. 

	Year ended December 31, (in thousands, except per share data)
	2012		2011		2010
Net income	$	41,281	$	44,669	$	29,923
Weighted average number of common shares outstanding (basic)	14,223		13,835		13,611
Dilutive securities	502		326		244
Weighted average common and common equivalent shares outstanding (diluted)	14,725		14,161		13,855
EPS - basic	$	2.90	$	3.23	$	2.20
EPS - diluted	$	2.80	$	3.15	$	2.16