CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 54,818	$ 191,762	[1]
Short-term investments	0	8,107	[1]
Accounts receivable, net of allowances of $337 and $443 at June 30, 2012 and December 31, 2011, respectively	53,109	38,661	[1]
Inventories	26,400	18,107	[1]
Prepaid expenses	13,948	10,495	[1]
Deferred tax assets	11,197	10,352	[1]
Other current assets	7,046	6,107	[1]
Total current assets	166,518	283,591	[1]
Property and equipment, net	32,185	17,306	[1]
Non-current net investment in sales-type leases	10,628	8,785	[1]
Goodwill	112,683	28,543	[1]
Other intangible assets	86,234	4,231	[1]
Non-current deferred tax assets	0	11,677	[1]
Other assets	13,754	9,716	[1]
Total assets	422,002	363,849	[1]
Current liabilities:
Accounts payable	18,635	11,000	[1]
Accrued compensation	8,130	7,328	[1]
Accrued liabilities	12,206	8,901	[1]
Deferred service revenue	19,994	19,191	[1]
Deferred gross profit	19,587	14,210	[1]
Total current liabilities	78,552	60,630	[1]
Non-current deferred service revenue	19,649	18,966	[1]
Non-current deferred tax liabilities	21,575	0
Other long-term liabilities	5,713	1,339	[1]
Total liabilities	125,489	80,935	[1]
Stockholders' equity:
Total stockholders' equity	296,513	282,914	[1]
Total liabilities and stockholders' equity	$ 422,002	$ 363,849	[1]

[1] Information derived from our December 31, 2011 audited Consolidated Financial Statements.