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Balance Sheet Information - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Inventories: |  |
Raw materials | $ 135.7 | $ 138.4
Work in process | 829.7 | 772.9
Finished goods | 286.0 | 321.1
Inventories, net | 1,251.4 | 1,232.4
Property, plant and equipment, net: |  |
Property, plant and equipment, gross | 5,507.7 | 5,261.0
Less: Accumulated depreciation | (2,995.4) | (2,669.4)
Property, plant and equipment, net | 2,512.3 | 2,591.6
Accrued expenses: |  |
Accrued payroll and related benefits | 166.8 | 153.4
Sales related reserves | 233.3 | 247.3
Income taxes payable | 25.5 | 22.5
Other | 144.4 | 115.6
Accrued expenses | 570.0 | 538.8
Land |  |
Property, plant and equipment, net: |  |
Property, plant and equipment, gross | 119.7 | 125.2
Buildings |  |
Property, plant and equipment, net: |  |
Property, plant and equipment, gross | 850.0 | 860.6
Machinery and equipment |  |
Property, plant and equipment, net: |  |
Property, plant and equipment, gross | $ 4,538.0 | $ 4,275.2

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