Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2011

Segment Reporting [Abstract]

Summary of revenue by geography

	2011		2010		2009
	(In thousands)
Americas:
United States	$	489,438	$	382,692	$	370,016
Other Americas		25,152		22,218		20,925
Total Americas		514,590		404,910		390,941
Europe, Middle East and Africa:
Germany		43,006		58,942		48,326
Other Europe, Middle East, and Africa		191,874		148,274		140,607
Total Europe, Middle East, and Africa		234,880		207,216		188,933
Japan		204,388		165,155		152,738
Asia		195,977		158,673		120,020
Total	$	1,149,835	$	935,954	$	852,632

Summary of long-lived assets by geography

	2011		2010		2009
	(In thousands)
Americas:
United States	$	230,884	$	254,113	$	282,002
Other Americas		35		34		25
Total Americas		230,919		254,147		282,027
Europe, Middle East and Africa:
Germany		797		773		1,060
Other Europe, Middle East, and Africa		4,016		5,568		5,216
Total Europe, Middle East, and Africa		4,813		6,341		6,276
Japan		3,960		4,532		5,130
Asia		22,825		20,095		18,069
Total	$	262,517	$	285,115	$	311,502