Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current Assets
Cash	$ 12,122	$ 8,953
Contract receivables, net	260,254us-gaap_AccountsReceivableNetCurrent	205,062us-gaap_AccountsReceivableNetCurrent
Prepaid expenses and other	10,338	7,847
Income tax receivable	5,715us-gaap_IncomeTaxesReceivable	4,482us-gaap_IncomeTaxesReceivable
Total current assets	288,429us-gaap_AssetsCurrent	226,344us-gaap_AssetsCurrent
Total property and equipment, net	43,241us-gaap_PropertyPlantAndEquipmentNet	30,214us-gaap_PropertyPlantAndEquipmentNet
Other assets:
Goodwill	687,778us-gaap_Goodwill	418,839us-gaap_Goodwill
Other intangible assets, net	76,707	12,239
Restricted cash	1,478	1,864
Other assets	12,707us-gaap_OtherAssetsNoncurrent	11,414us-gaap_OtherAssetsNoncurrent
Total Assets	1,110,340us-gaap_Assets	700,914us-gaap_Assets
Current Liabilities
Accounts payable	65,755us-gaap_AccountsPayableCurrent	45,544us-gaap_AccountsPayableCurrent
Accrued salaries and benefits	56,314	45,994
Accrued expenses and other current liabilities	42,308	32,256
Deferred revenue	31,554us-gaap_DeferredRevenueCurrent	20,282us-gaap_DeferredRevenueCurrent
Deferred income taxes	7,312us-gaap_DeferredTaxLiabilitiesCurrent	6,144us-gaap_DeferredTaxLiabilitiesCurrent
Total Current Liabilities	203,243us-gaap_LiabilitiesCurrent	150,220us-gaap_LiabilitiesCurrent
Long-term Liabilities:
Long-term debt	350,052us-gaap_LongTermDebtNoncurrent	40,000us-gaap_LongTermDebtNoncurrent
Deferred rent	19,997us-gaap_DeferredRentCreditNoncurrent	12,912us-gaap_DeferredRentCreditNoncurrent
Deferred income taxes	27,886	10,780
Other	8,473us-gaap_OtherLiabilitiesNoncurrent	12,911us-gaap_OtherLiabilitiesNoncurrent
Total Liabilities	609,651us-gaap_Liabilities	226,823us-gaap_Liabilities
Commitments and Contingencies
Stockholders’ Equity
Preferred stock, par value $.001 per share; 5,000,000 shares authorized; none issued
Common stock, $.001 par value; 70,000,000 shares authorized; 21,035,654 and 20,617,270 shares issued; and 19,430,154 and 19,764,634 shares outstanding as of December 31, 2014, and December 31, 2013, respectively	21us-gaap_CommonStockValue	21us-gaap_CommonStockValue
Additional paid-in capital	267,206us-gaap_AdditionalPaidInCapital	250,698us-gaap_AdditionalPaidInCapital
Retained earnings	285,937	245,907
Treasury stock	(49,994)us-gaap_TreasuryStockValue	(21,545)us-gaap_TreasuryStockValue
Accumulated other comprehensive loss	(2,481)	(990)
Total Stockholders’ Equity	500,689us-gaap_StockholdersEquity	474,091us-gaap_StockholdersEquity
Total Liabilities and Stockholders’ Equity	$ 1,110,340	$ 700,914

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).