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Goodwill and Identifiable Intangible Assets - Identifiable Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 461.1 | $ 452.8 |
Accumulated Amortization | 279.8 | 246.8 |
Net | 181.3 | 206.0 |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Total intangible assets, Gross Carrying Amount | 501.5 | 492.2 |
Total intangible assets, Net | 221.7 | 245.4 |
Intangible amortization expense | 32.9 | 35.9 | $ 41.9
Trademark/trade name rights |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite lived intangible assets | 40.4 | 39.4 |
Customer relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 382.0 | 373.8 |
Accumulated Amortization | 226.5 | 198.7 |
Net | 155.5 | 175.1 |
Supplier agreements |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 39.0 | 39.0 |
Accumulated Amortization | 19.8 | 17.6 |
Net | 19.2 | 21.4 |
Others |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 40.1 | 40.0 |
Accumulated Amortization | 33.5 | 30.5 |
Net | $ 6.6 | $ 9.5 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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