Acquisitions Acquisitions (Tables)

12 Months Ended

Dec. 31, 2011

Dec. 31, 2010

Dec. 31, 2009

Business Acquisition [Line Items]

Business Acquisition, Pro Forma Information [Table Text Block]

The following table summarizes our consolidated results of operations for the years ended December 31, 2010 and 2009, as well as the pro forma consolidated results of operations as though the BioSphere acquisition had occurred on January 1, 2009 (in thousands, except per share amounts):

	Year Ended December 31, 2010				Year Ended December 31, 2009
	As Reported		Pro Forma		As Reported		Pro Forma
Sales	$	296,755	$	317,382	$	257,462	$	288,589
Net income	12,460		7,258		22,530		17,000
Earnings per common share:
Basic	$	0.35	$	0.21	$	0.64	$	0.49
Diluted	$	0.35	$	0.20	$	0.63	$	0.48

The following table summarizes our consolidated results of operations for the year ended December 31, 2009, as well as the pro forma consolidated results of operations as though the Hatch, Alveolus and Biosearch transactions had occurred on January 1, 2009 (in thousands, except per share amounts):

	Year Ended December 31, 2009
	As Reported		Pro Forma
Sales	$	257,462	$	259,914
Net income	22,530		22,470
Earnings per common share:
Basic	$	0.64	$	0.64
Diluted	$	0.63	$	0.63

ScheduleOfBusinessAcquisitionsByAcquisitionBiosearch [Table Text Block]

The purchase price was allocated as follows (in thousands):

Assets Acquired
Inventories	$	188
Property and equipment	31
Intangibles
Developed technology	380
Customer lists	660
Non-compete	25
Goodwill	316
Total assets acquired	1,600
Liabilities Assumed	—
Net assets acquired	$	1,600

ScheduleOfBusinessAcquisitionsByAcquisitionAlveolus [Table Text Block]

 The purchase price was allocated as follows (in thousands):

Assets Acquired
Inventories	$	1,741
Trade receivables	974
Other assets	241
Property and equipment	547
Intangibles
Developed technology	5,700
Trademarks	1,400
Customer lists	1,100
In-process research and development	400
Goodwill	8,028
Total assets acquired	20,131
Liabilities Assumed
Accounts payable	467
Other liabilities	572
Total liabilities assumed	1,039
Net assets acquired	$	19,092

ScheduleOfBusinessAcquisitionsByAcquisitionHatch [Table Text Block]

The purchase price was allocated as follows (in thousands):

Assets Acquired
Intangibles
Developed technology	$	8,100
Customer list	590
Non-compete	240
Trademark	650
Goodwill	11,420
Total assets acquired	21,000
Liabilities Assumed	—
Net assets acquired	$	21,000

ScheduleOfBusinessAcquisitionsByAcquisitionBiosphere [Table Text Block]

As of December 31, 2010, the BioSphere purchase price was allocated as follows (in thousands):

Assets Acquired
Marketable securities	$	9,673
Trade receivables	4,529
Inventories	5,694
Other assets	1,340
Property and equipment	546
Deferred income tax assets	16,012
Intangibles
Developed technology	19,000
Customer list	7,900
License agreement	380
Trademark	3,200
Goodwill	34,016
Total assets acquired	102,290
Liabilities Assumed
Accounts payable	322
Accrued expenses	3,617
Deferred income tax liabilities	729
Liabilities related to unrecognized tax benefits	961
Other liabilities	936
Total liabilities assumed	6,565
Net assets acquired, net of cash acquired of $274	$	95,725

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

The purchase price was preliminarily allocated as follows (in thousands):

Assets Acquired
Property and equipment	$	73
Intangibles
Developed technology	3,200
Customer lists	300
Goodwill	2,697
Total assets acquired	6,270
Liabilities Assumed
Contingent liabilities	1,270
Net assets acquired	$	5,000