Rendering

Component: (Network and Table)
Network
2313301 - Disclosure - Property, Plant and Equipment (Tables)
(http://www.biogenidec.com/role/PropertyPlantAndEquipmentTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000875045 (http://www.sec.gov/CIK)
Property, Plant and Equipment [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Property, Plant and Equipment [Abstract]
 
Components of property, plant and equipment, net
 
As of December 31,
(In millions)
2016
 
2015
Land
$
137.8

 
$
74.7

Buildings
1,107.8

 
1,035.6

Leasehold improvements
123.7

 
166.6

Machinery and equipment
1,105.8

 
1,079.6

Computer software and hardware
746.8

 
647.1

Furniture and fixtures
60.6

 
72.9

Construction in progress
658.6

 
441.2

Total cost
3,941.1

 
3,517.7

Less: accumulated depreciation
(1,439.3
)
 
(1,330.1
)
Total property, plant and equipment, net
$
2,501.8

 
$
2,187.6