Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Summary of Significant Accounting Policies [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following at December 31:

	2013		2012
Raw material	$	21,867	$	20,808
Work in process	2,749		3,013
Finished goods	9,835		12,512
Total	$	34,451	$	36,333

Property, Plant and Equipment [Table Text Block]

Property and equipment consist of the following at December 31: 

	2013			2012
Machinery and equipment	$	84,317		$	78,332
Land, building and building improvements	64,238			61,521
Molds	30,813			27,704
Computer equipment and software	21,625			19,611
Furniture and fixtures	3,552			3,339
Construction in progress	8,456			8,266
Total property and equipment, cost	213,001			198,773
Accumulated depreciation	(125,140		)	(112,836		)
Net property and equipment	$	87,861		$	85,937

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, 2013
	Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	9	$	11,367	$	6,389	$	4,978
MCDA contract *	10	8,571		7,428		1,143
Customer contracts	9	5,319		2,950		2,369
Trademarks	4	425		425		—
Total		$	25,682	$	17,192	$	8,490

	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

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

Amortization expense in 2013, 2012 and 2011 was $2.5 million, $2.6 million and $2.7 million, respectively.  Estimated annual amortization for each of the next five years is approximately $2.4 million for 2014, $1.7 million for 2015, $1.1 million for 2016, $1.0 million for 2017 and $0.9 million for 2018.

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)
	2013		2012		2011
Net income	$	40,418	$	41,281	$	44,669
Weighted average number of common shares outstanding (basic)	14,688		14,223		13,835
Dilutive securities	586		502		326
Weighted average common and common equivalent shares outstanding (diluted)	15,274		14,725		14,161
EPS - basic	$	2.75	$	2.90	$	3.23
EPS - diluted	$	2.65	$	2.80	$	3.15