Geographic Information (Tables)

3 Months Ended

Mar. 31, 2012

Geographic Information [Abstract]

Schedule Of Revenue By Geographic Area

	Three Months Ended
(in thousands)	March 31, 2012		March 31, 2011
United States	$	63,595	$	49,106
Japan		29,555		26,925
Germany		20,541		16,960
Canada		3,138		2,950
Other European		41,856		39,205
Other international		26,660		22,901
Total revenue	$	185,345	$	158,047

Schedule Of Property And Equipment By Geographic Area

(in thousands)	March 31, 2012		December 31, 2011
United States	$	32,051	$	30,917
United Kingdom		3,153		3,077
India		3,051		3,092
Germany		2,386		1,843
France		2,237		2,388
Japan		1,251		1,447
Canada		877		938
Other European		930		957
Other international		873		979
Total property and equipment	$	46,809	$	45,638