Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2012

Other Intangible Assets [Abstract]

Schedule of Indefinite-lived Intangible Assets by Major Class [Table Text Block]

Other intangible assets are as follows:

	March 31, 2012			December 31, 2011
Intangible Assets Subject to Amortization
(Definite-lived):
Patents and acquired technology	$	116,217		$	111,428
Capitalized software		54,348			53,721
Customer relationships		96,894			57,723
Tradenames		37,365			36,762
Non-competition agreements		1,700			1,000
		306,524			260,634
Accumulated amortization:
Patents and acquired technology		(91,125	)		(89,379	)
Capitalized software		(49,083	)		(47,836	)
Customer relationships		(28,019	)		(26,174	)
Tradenames		(14,637	)		(13,615	)
Non-competition agreements		(155	)		(62	)
		(183,019	)		(177,066	)
Net Intangible Assets Subject to Amortization		123,505			83,568
Intangible Assets Not Subject to Amortization
(Indefinite-lived):
Tradenames		20,359			20,359
	$	143,864		$	103,927

Estimated annual amortization expense for each of the next five years

Estimated annual amortization expense of intangible assets on the balance sheet at March 31, 2012 for the full year 2012 and each of the next four years is as follows:

2012	$	15,278
2013		15,282
2014		15,162
2015		15,094
2016		13,406