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SEGMENT AND GEOGRAPHIC INFORMATION - DEPRECIATION AND AMORTIZATION (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Reconciliation of Depreciation by Segment [Line Items] |  |  |
Depreciation and amortization | $ 322.8 | $ 330.8 | $ 316.4
Operating Segments | Technologies & Equipment |  |  |
Reconciliation of Depreciation by Segment [Line Items] |  |  |
Depreciation and amortization | 257.8 | 238.4 | 261.3
Operating Segments | Consumables |  |  |
Reconciliation of Depreciation by Segment [Line Items] |  |  |
Depreciation and amortization | 54.2 | 90.8 | 53.7
All Other |  |  |
Reconciliation of Depreciation by Segment [Line Items] |  |  |
Depreciation and amortization | $ 10.8 | $ 1.6 | $ 1.4

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