Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

Changes in goodwill for the years ended December 31, 2012 and 2011 are as follows (in millions):

Goodwill at January 1, 2011	$	0.8
Acquisition of Solidscape		24.6
Goodwill at December 31, 2011		25.4
Merger with Objet		797.1
Goodwill at December 31, 2012	$	822.5

Schedule of Intangible Assets and Goodwill [Table Text Block]

Other intangible assets consisted of the following at December 31 (in thousands):

	2012				2011
	Gross				Gross
	Carrying		Accumulated		Carrying		Accumulated
	Amount		Amortization		Amount		Amortization
Developed technology	$	385,735	$	9,058	$	10,623	$	4,807
Capitalized software development costs		15,831		12,996		14,575		12,060
Patents		13,533		4,952		12,917		3,421
Trademarks and trade names		16,877		592		1,510		337
Customer relationships		77,779		1,172		5,100		227
Non-compete agreement		350		194		350		78
In-process research and development		29,231		-		1,150		-
		539,336	$	28,964		46,225	$	20,930
Accumulated amortization		28,964				20,930
Net book value of amortizable intangible assets	$	510,372			$	25,295

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Estimated amortization expense, for all intangible assets, for the five years subsequent to December 31, 2012 is as follows (in thousands):

Year ending December 31,
2013	$	52,468
2014		54,022
2015		54,166
2016		54,023
2017	$	53,551