Goodwill and Related Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2011

Goodwill And Related Intangible Assets

Schedule Of Changes In Carrying Value Of Goodwill

Balance as of December 31, 2010	$	298,346
Goodwill acquired		50,598
Foreign currency translation		1,419
Balance as of June 30, 2011	$	350,363

Schedule Of Acquired Intangible Assets

		June 30, 2011				December 31, 2010
		Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization	Estimated Life
Indefinite-lived intangible assets:
Trademarks	$	47,164	$	—	$	35,403	$	—	indefinite
Finite-lived intangible assets:
Trademarks		1,971		843		1,968		760	2to 15 years
Unpatented technology		22,117		2,769		5,557		2,239	5to 20 years
Customer relationships		48,876		18,946		42,469		16,832	5to 16 years
Non-compete agreements		2,857		2,119		2,656		1,921	5to 10 years
Backlog		1,200		200		—		—	1to 2 years
		77,021		24,877		52,650		21,752
Total acquired intangible assets	$	124,185	$	24,877	$	88,053	$	21,752

Schedule Of Acquired Intangible Assets Amortization Expense

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2011		2010		2011		2010
Amortization expense	$	1,725	$	1,286	$	2,873	$	2,586

Schedule Of Amortization Expenses

2011	$	3,463
2012	$	6,602
2013	$	5,700
2014	$	4,773
2015	$	4,637
2016	$	4,302