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v3.21.2

Intangible Assets (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Unamortized Intangible Assets |  |  |  |  |
Amortization expense of intangible assets | $ 10.7 | $ 6.4 | $ 17.2 | $ 11.3 |
Estimated average amortization, year one | 44.9 |  | 44.9 |  |
Estimated average amortization, year two | 44.9 |  | 44.9 |  |
Estimated average amortization, year three | 44.9 |  | 44.9 |  |
Estimated average amortization, year four | 44.9 |  | 44.9 |  |
Estimated average amortization, year five | 44.9 |  | 44.9 |  |
AMS |  |  |  |  |
Amortized Intangible Assets |  |  |  |  |
Gross Carrying Amount | 665.1 |  | 665.1 |  | $ 419.0
Accumulated Amortization | 124.4 |  | 124.4 |  | 106.9
Accumulated Impairments | 20.7 |  | 20.7 |  | 20.7
Accumulated Foreign Exchange | (1.5) |  | (1.5) |  | (2.8)
Net Carrying Amount | 521.5 |  | 521.5 |  | 294.2
AMS | Trade names |  |  |  |  |
Amortized Intangible Assets |  |  |  |  |
Accumulated Impairments | 0.1 |  | 0.1 |  | 0.1
Accumulated Foreign Exchange | (0.3) |  | (0.3) |  | (0.6)
Unamortized Intangible Assets |  |  |  |  |
Gross Carrying Amount | 20.0 |  | 20.0 |  | 20.0
Net Carrying Amount | 20.2 |  | 20.2 |  | 20.5
AMS | Customer relationships |  |  |  |  |
Amortized Intangible Assets |  |  |  |  |
Gross Carrying Amount | 540.9 |  | 540.9 |  | 339.8
Accumulated Amortization | 102.6 |  | 102.6 |  | 88.5
Accumulated Impairments | 0.0 |  | 0.0 |  | 0.0
Accumulated Foreign Exchange | (1.9) |  | (1.9) |  | (2.9)
Net Carrying Amount | 440.2 |  | 440.2 |  | 254.2
AMS | Developed technology |  |  |  |  |
Amortized Intangible Assets |  |  |  |  |
Gross Carrying Amount | 79.4 |  | 79.4 |  | 42.1
Accumulated Amortization | 16.8 |  | 16.8 |  | 14.1
Accumulated Impairments | 0.0 |  | 0.0 |  | 0.0
Accumulated Foreign Exchange | 0.1 |  | 0.1 |  | (0.2)
Net Carrying Amount | 62.5 |  | 62.5 |  | 28.2
AMS | Trade names |  |  |  |  |
Amortized Intangible Assets |  |  |  |  |
Gross Carrying Amount | 40.4 |  | 40.4 |  | 32.7
Accumulated Amortization | 2.0 |  | 2.0 |  | 1.4
Accumulated Impairments | 20.7 |  | 20.7 |  | 20.7
Accumulated Foreign Exchange | 0.3 |  | 0.3 |  | 0.3
Net Carrying Amount | 17.4 |  | 17.4 |  | 10.3
AMS | Non-compete agreements |  |  |  |  |
Amortized Intangible Assets |  |  |  |  |
Gross Carrying Amount | 2.9 |  | 2.9 |  | 2.9
Accumulated Amortization | 2.4 |  | 2.4 |  | 2.4
Accumulated Impairments | 0.0 |  | 0.0 |  | 0.0
Accumulated Foreign Exchange | 0.0 |  | 0.0 |  | 0.0
Net Carrying Amount | 0.5 |  | 0.5 |  | 0.5
AMS | Patents |  |  |  |  |
Amortized Intangible Assets |  |  |  |  |
Gross Carrying Amount | 1.5 |  | 1.5 |  | 1.5
Accumulated Amortization | 0.6 |  | 0.6 |  | 0.5
Accumulated Impairments | 0.0 |  | 0.0 |  | 0.0
Accumulated Foreign Exchange | 0.0 |  | 0.0 |  | 0.0
Net Carrying Amount | $ 0.9 |  | $ 0.9 |  | $ 1.0

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