Goodwill And Intangible Assets (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2013

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Changes In Carrying Amounts Of Goodwill

The changes in carrying amounts of goodwill for the six months ended June 30, 2013 are as follows (in thousands):

Balance as of January 1, 2013	$	407,825
Goodwill acquired (Note 3)	26,665
Purchase accounting adjustments	174
Foreign exchange translation	(724		)
Balance as of June 30, 2013	$	433,940

Schedule Of Intangible Assets With Indefinite Lives

Intangible Assets with Indefinite Lives:

	June 30, 2013		December 31, 2012
Trade name	$	27,379	$	27,379
Other	5,432		5,433
Total	$	32,811	$	32,812

Finite-Lived Intangible Assets By Major Class

As of June 30, 2013, intangible assets subject to amortization relate primarily to the following (in thousands):

	Weighted-Average Amortization Period	Historical Cost		Accumulated Amortization			Net
Tradenames	17.1 years	$	66,750	$	(8,523	)	$	58,227
Patent and patent licenses	8.2 years	45,175		(27,119		)	18,056
Customer relationships	7.1 years	113,284		(28,794		)	84,490
Other purchased intangibles	4.0 years	16,063		(10,981		)	5,082
Total		$	241,272	$	(75,417	)	$	165,855

As of December 31, 2012, intangible assets subject to amortization relate primarily to the following (in thousands):

	Weighted-Average Amortization Period	Historical Cost		Accumulated Amortization			Net
Tradenames	17.7 years	$	50,257	$	(6,227	)	$	44,030
Patent and patent licenses	8.2 years	44,048		(24,719		)	19,329
Customer relationships	7.0 years	86,473		(21,750		)	64,723
Other purchased intangibles	4.4 years	13,322		(8,900		)	4,422
Total		$	194,100	$	(61,596	)	$	132,504