XML 25 R50.htm IDEA: XBRL DOCUMENT v2.4.1.9
Employee And Non-Employee Benefit And Compensation Plans - Additional Information (Details) (USD $)
 12 Months Ended 3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2009
Dec. 31, 2011
Dec. 31, 2014
Apr. 30, 2008
May 01, 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Maximum employee contribution 25.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent              
Employer mathcing contribution percent of match 50.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch              
Employer matching contribution, percent 3.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent              
Employer-matching contributions vesting period 4 years              
Employer-matching contributions $ 500,000us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount $ 700,000us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount $ 800,000us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount          
Non-cash equity compensation 2,141,000us-gaap_AllocatedShareBasedCompensationExpense [1] 1,908,000us-gaap_AllocatedShareBasedCompensationExpense [1] 3,807,000us-gaap_AllocatedShareBasedCompensationExpense          
Non-cash equity compensation 2,113,000us-gaap_ShareBasedCompensation 1,979,000us-gaap_ShareBasedCompensation 3,939,000us-gaap_ShareBasedCompensation          
Maximum term of stock options 10 years              
Option Expense 600,000us-gaap_StockOptionPlanExpense 800,000us-gaap_StockOptionPlanExpense 1,700,000us-gaap_StockOptionPlanExpense          
Restricted Stock or Unit Expense 1,600,000us-gaap_RestrictedStockExpense 1,100,000us-gaap_RestrictedStockExpense 2,300,000us-gaap_RestrictedStockExpense          
Exercise price of option granted $ 2.17us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue              
Shares forfeited     2,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod          
Stock Options [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Unrecognized compensation cost related to stock awards 700,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		         700,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		    
Weighted average recognition period of unrecognized compensation cost 1 year 5 months 16 days              
Intrinsic value of options exercised 600,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		   100,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		          
Service period-based options                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period 1 year              
Exercise price of option granted $ 1.15us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember		 $ 1.79us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember		            
Price-based options                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Exercise price of option granted $ 1.59us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_PriceBasedMember		              
Price-based RSUs                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Nonvested shares 1,102,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		 970,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		 440,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		   440,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		 1,102,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		    
Nonvested shares, weighted average grant date fair value $ 0.94us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		 $ 0.77us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		 $ 3.07us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		   3.07us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		 $ 0.94us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		    
Shares granted 242,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		 930,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		          
Shares forfeited 110,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		 400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember		            
1999 Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized for grant awards             10,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= mso_A1999PlanMember		  
Non-Employee Director Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized for grant awards             600,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= mso_NonEmployeeDirectorPlanMember		  
Stock Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Shares available for issuance 6,327,129,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		         6,327,129,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		   10,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
Increase in shares available for issuance       4,557,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		        
Total fair value of shares vested 900,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 1,400,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 900,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		          
Stock Plan | Service period-based options                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Options granted 25,070us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 1,190,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 505,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		          
Exercise price of option granted $ 1.99us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 $ 0.90us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 $ 1.72us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		          
Nonvested shares 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 8,352us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		     0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		    
Nonvested shares, weighted average grant date fair value $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 $ 4.49us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		     $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		    
Shares granted 26,966,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 9,424,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		     25,202us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		      
Stock Plan | Price-based options                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Options granted 185,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= mso_PriceBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		              
Exercise price of option granted $ 1.62us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_PriceBasedMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		              
Stock Plan | Service period-based restricted stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Total fair value of shares vested     100,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRestrictedStockMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		          
Stock Plan | Service period-based RSUs                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Unrecognized compensation cost related to stock awards 1,300,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		         1,300,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		    
Weighted average recognition period of unrecognized compensation cost 2 years 0 months 4 days              
Total fair value of shares vested 1,000,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 1,400,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 400,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		          
Nonvested shares 543,984us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 742,083us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 719,726us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		   539,698us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 543,984us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		    
Nonvested shares, weighted average grant date fair value $ 3.40us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 $ 2.69us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 $ 3.93us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		   4.29us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 $ 3.40us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		    
Shares granted 225,297us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 814,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 302,163us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		          
Shares forfeited 32,771us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		 353,790us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		            
Stock Plan | Service period-based RSUs | Chief Executive Officer [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Non-cash equity compensation 300,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		              
Unrecognized compensation cost related to stock awards 600,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		         600,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		    
Weighted average recognition period of unrecognized compensation cost 2 years              
Shares granted           400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		    
Number of RSUs to vest           133,333mso_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestNumber
/ us-gaap_AwardTypeAxis
= mso_ServicePeriodBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		    
Stock Plan | Price-based RSUs                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Unrecognized compensation cost related to stock awards 500,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		         500,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember		    
Weighted average recognition period of unrecognized compensation cost 1 year 2 months 5 days              
Stock Plan | Price-based RSUs | Chief Executive Officer [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Shares granted 800,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		              
Stock Plan | Price-based RSUs | $6 exercise price | Chief Executive Officer [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Non-cash equity compensation 200,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mso_A6ExercisePriceMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		              
Unrecognized compensation cost related to stock awards $ 200,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mso_A6ExercisePriceMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		         $ 200,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mso_A6ExercisePriceMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		    
Exercise price of option granted $ 6us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mso_A6ExercisePriceMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		              
Number of RSUs to vest 200,000mso_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestNumber
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mso_A6ExercisePriceMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		              
Stock Plan | Price-based RSUs | $8 exercise price | Chief Executive Officer [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Exercise price of option granted $ 8us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mso_A8ExercisePriceMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		              
Shares granted 200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mso_A8ExercisePriceMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		              
Stock Plan | Price-based RSUs | $10 exercise price | Chief Executive Officer [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Exercise price of option granted $ 10us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mso_A10ExercisePriceMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		              
Shares granted 200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mso_A10ExercisePriceMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		              
Stock Plan | Price-based RSUs | $12 exercise price | Chief Executive Officer [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Exercise price of option granted $ 12us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mso_A12ExercisePriceMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		              
Shares granted 200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= mso_PriceBasedRsusMember
/ us-gaap_PlanNameAxis
= mso_StockPlanMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mso_A12ExercisePriceMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember		              
[1] As disclosed on the Company's consolidated statements of cash flows, total non-cash equity compensation expense was $2.1 million, $2.0 million and $3.9 million in 2014, 2013 and 2012, respectively. Included in non-cash equity compensation expense were net charges to expense of approximately $0.1 million for 2013 and 2012, and reversals of expense in 2014 of approximately $0.03 million, which were generated in connection with restructuring activities. Accordingly, these amounts are reflected as restructuring charges in the Company's 2014, 2013 and 2012 consolidated statements of operations. See Note 17, Restructuring Charges for further information.