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Business Combinations - Intangible Assets Acquired (Details) - USD ($) $ in Millions |  | 3 Months Ended
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Jul. 01, 2019 | Mar. 31, 2020
Acquired Finite-Lived Intangible Assets |  |
Weighted-average Estimated Useful Life |  | 13 years
Customer relationships |  |
Acquired Finite-Lived Intangible Assets |  |
Weighted-average Estimated Useful Life |  | 13 years
AXC |  |
Acquired Finite-Lived Intangible Assets |  |
Weighted-average Estimated Useful Life | 11 years |
Finite lived intangible assets acquired | $ 201.4 |
Indefinite-lived intangible assets: |  |
Trademarks | 55.0 |
Total identifiable intangible assets acquired | $ 256.4 |
AXC | Customer relationships |  |
Acquired Finite-Lived Intangible Assets |  |
Weighted-average Estimated Useful Life | 14 years |
Finite lived intangible assets acquired | $ 139.1 |
AXC | Unpatented technology |  |
Acquired Finite-Lived Intangible Assets |  |
Weighted-average Estimated Useful Life | 10 years |
Finite lived intangible assets acquired | $ 42.1 |
AXC | Backlog |  |
Acquired Finite-Lived Intangible Assets |  |
Weighted-average Estimated Useful Life | 1 year |
Finite lived intangible assets acquired | $ 19.2 |
AXC | Non-compete agreements |  |
Acquired Finite-Lived Intangible Assets |  |
Weighted-average Estimated Useful Life | 4 years |
Finite lived intangible assets acquired | $ 1.0 |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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