XML 71 R59.htm IDEA: XBRL DOCUMENT v2.4.1.9
Summary of Significant Accounting Policies (Details 2) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
estimate
Dec. 31, 2013
Estimated useful lives of property, plant and equipment    
Property, plant and equipment, net of accumulated depreciation $ 591.0us-gaap_PropertyPlantAndEquipmentNet $ 578.8us-gaap_PropertyPlantAndEquipmentNet
Product Liabilities    
Number of estimates upon which the product liability reserves are based 2mtw_LossContingencyAccrualProductLiabilityEstimatesNumber  
Assets Leased to Others [Member]    
Estimated useful lives of property, plant and equipment    
Property, plant and equipment, net of accumulated depreciation $ 83.4us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AssetsLeasedToOthersMember		 $ 63.1us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AssetsLeasedToOthersMember
Minimum | Building and improvements    
Estimated useful lives of property, plant and equipment    
Property, Plant and Equipment, Useful Lives 2 years  
Minimum | Machinery, equipment and tooling    
Estimated useful lives of property, plant and equipment    
Property, Plant and Equipment, Useful Lives 2 years  
Minimum | Furniture and fixtures    
Estimated useful lives of property, plant and equipment    
Property, Plant and Equipment, Useful Lives 3 years  
Minimum | Computer hardware and software    
Estimated useful lives of property, plant and equipment    
Property, Plant and Equipment, Useful Lives 2 years  
Maximum | Building and improvements    
Estimated useful lives of property, plant and equipment    
Property, Plant and Equipment, Useful Lives 40 years  
Maximum | Machinery, equipment and tooling    
Estimated useful lives of property, plant and equipment    
Property, Plant and Equipment, Useful Lives 20 years  
Maximum | Furniture and fixtures    
Estimated useful lives of property, plant and equipment    
Property, Plant and Equipment, Useful Lives 15 years  
Maximum | Computer hardware and software    
Estimated useful lives of property, plant and equipment    
Property, Plant and Equipment, Useful Lives 7 years