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Reconciliation of Shares Used in Calculating Basic and Diluted Earnings Per Share (Parenthetical) (Detail)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Weighted average anti-dilutive common stock equivalents 6,937us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount [1] 5,337us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount [1] 7,167us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount [1]
Potential Shares      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Weighted average anti-dilutive common stock equivalents 3,046us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= mww_PotentialSharesMember		    
Out of Money Anti-dilutive Common Stock      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Weighted average anti-dilutive common stock equivalents 3,891us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= mww_OutOfMoneyStockOptionsAntiDilutiveMember		    
[1] For periods in which losses are presented, dilutive earnings per share calculations do not differ from basic earnings per share because the effects of any potential common stock equivalents are anti-dilutive and therefore not included in the calculation of dilutive earnings per share. For the year ended December 31, 2014, those potential shares totaled 3,046 which are included in the weighted average anti-dilutive common stock equivalents above, in addition to 3,891 of out of the money anti-dilutive common stock equivalents for the year ended December 31, 2014.