Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 100,591	$ 141,927
Accounts receivable, net	147,254	148,157
Prepaid expenses and other current assets	35,283	30,176
Total current assets	283,128	320,260
Property and equipment, net	323,094	321,524
Capitalized software costs, net	115,832	107,517
Purchased intangible assets, net	119,933	126,239
Goodwill	229,157	229,157
Investments and other assets	14,168	13,965
Total assets	1,085,312	1,118,662
Current liabilities:
Accounts payable	5,956	10,768
Accrued compensation	51,721	88,122
Accrued expenses	56,760	51,452
Long-term debt	14,517	10,762
Deferred revenue	32,368	32,593
Total current liabilities	161,322	193,697
Deferred rent, net of current portion	31,514	31,118
Long-term debt, net of current portion	283,721	287,353
Deferred revenue, net of current portion	55,452	55,946
Long-term deferred tax liability, net	2,306	1,254
Other long-term liabilities	5,324	5,988
Total liabilities	$ 539,639	$ 575,356
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.01 par value: 5,000 shares authorized; no shares issued and outstanding at March 31, 2016 and December 31, 2015	$ 0	$ 0
Common stock, $0.01 par value: 125,000 shares authorized; 40,520 shares issued and 39,243 shares outstanding at March 31, 2016; 40,209 shares issued and 38,931 shares outstanding at December 31, 2015	406	403
Additional paid-in capital	525,611	522,443
Treasury stock, at cost, 1,278 shares	(1,200)	(1,200)
Accumulated other comprehensive loss	(819)	(848)
Retained earnings	21,675	22,508
Total stockholders’ equity	545,673	543,306
Total liabilities and stockholders’ equity	$ 1,085,312	$ 1,118,662