Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current Assets:
Cash and cash equivalents	$ 97,089	$ 115,708
Short-term investments	10,160us-gaap_ShortTermInvestments	8,730us-gaap_ShortTermInvestments
Accounts receivable, net of allowance of $5,556 and $4,164, respectively	83,060us-gaap_AccountsReceivableNetCurrent	86,828us-gaap_AccountsReceivableNetCurrent
Deferred income taxes	9,886us-gaap_DeferredTaxAssetsNetCurrent	9,900us-gaap_DeferredTaxAssetsNetCurrent
Prepaid expenses and other current assets	10,947	8,695
Total current assets	211,142us-gaap_AssetsCurrent	229,861us-gaap_AssetsCurrent
Property and equipment, net	18,606us-gaap_PropertyPlantAndEquipmentNet	17,265us-gaap_PropertyPlantAndEquipmentNet
Goodwill, net	62,232us-gaap_Goodwill	62,250us-gaap_Goodwill
Deferred income taxes	271us-gaap_DeferredTaxAssetsNetNoncurrent	270us-gaap_DeferredTaxAssetsNetNoncurrent
Other assets	8,068	8,524
Total assets	300,319us-gaap_Assets	318,170us-gaap_Assets
Current liabilities:
Accounts payable	10,131us-gaap_AccountsPayableCurrent	12,483us-gaap_AccountsPayableCurrent
Accrued compensation and benefits	19,407	30,889
Accrued and other liabilities	12,545manh_AccruedAndOtherLiabilitiesCurrent	12,501manh_AccruedAndOtherLiabilitiesCurrent
Deferred revenue	58,070us-gaap_DeferredRevenueCurrent	58,968us-gaap_DeferredRevenueCurrent
Income taxes payable	6,851us-gaap_AccruedIncomeTaxesCurrent	7,974us-gaap_AccruedIncomeTaxesCurrent
Total current liabilities	107,004us-gaap_LiabilitiesCurrent	122,815us-gaap_LiabilitiesCurrent
Other non-current liabilities	14,534us-gaap_OtherLiabilitiesNoncurrent	13,332us-gaap_OtherLiabilitiesNoncurrent
Shareholders' equity:
Preferred stock, no par value; 20,000,000 shares authorized, no shares issued or outstanding in 2015 and 2014
Common stock, $0.01 par value; 200,000,000 shares authorized; 73,799,618 and 74,104,064 shares issued and outstanding at March 31, 2015 and December 31, 2014, respectively	738us-gaap_CommonStockValue	741us-gaap_CommonStockValue
Retained earnings	188,437	191,305
Accumulated other comprehensive loss	(10,394)	(10,023)
Total shareholders' equity	178,781us-gaap_StockholdersEquity	182,023us-gaap_StockholdersEquity
Total liabilities and shareholders' equity	$ 300,319	$ 318,170

Sum of (1) the carrying values as of the balance sheet date of obligations incurred and payable, pertaining to costs not separately disclosed in the balance sheet that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered; and (2) the cumulative difference as of the balance sheet date between the payments required by a lease agreement and the expense recognized on a straight - line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in expense by the lessor. Used to reflect the current portion of the liabilities due within one year.

No definition available.