XML 27 R79.htm IDEA: XBRL DOCUMENT v2.4.1.9
Income Taxes (Deferred Tax Assets) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Deferred tax assets:    
Net operating loss carryforwards $ 81,603us-gaap_DeferredTaxAssetsOperatingLossCarryforwards $ 49,451us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Tax credits 17,451mdco_DeferredTaxAssetsTaxCredits 13,279mdco_DeferredTaxAssetsTaxCredits
Intangible assets 7,828mdco_DeferredTaxAssetsIntangibleAssets 29,370mdco_DeferredTaxAssetsIntangibleAssets
Stock based compensation 22,427us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost 16,371us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Other 20,103us-gaap_DeferredTaxAssetsOther 16,174us-gaap_DeferredTaxAssetsOther
Total deferred tax assets 149,412us-gaap_DeferredTaxAssetsGross 124,645us-gaap_DeferredTaxAssetsGross
Valuation allowance (43,874)us-gaap_DeferredTaxAssetsValuationAllowance (4,186)us-gaap_DeferredTaxAssetsValuationAllowance
Total deferred tax assets net of valuation allowance 105,538us-gaap_DeferredTaxAssetsNet 120,459us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities:    
Fixed assets (5,099)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment (4,044)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Indefinite lived intangible assets (231,818)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets (231,662)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
Total deferred tax liabilities 236,917us-gaap_DeferredIncomeTaxLiabilities 235,706us-gaap_DeferredIncomeTaxLiabilities
Net deferred tax liabilities $ (131,379)us-gaap_DeferredTaxLiabilities $ (115,247)us-gaap_DeferredTaxLiabilities