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Acquisitions (Details) - USD ($) $ in Millions |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 01, 2019 | Jan. 11, 2019 | Jun. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Goodwill |  |  | $ 1,530.9 | $ 1,530.9 | $ 1,441.8
Other Long-term Assets |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Indemnification asset |  | $ 5.2 |  |  |
Petersen Aluminum Corporation |  |  |  |  |
Acquisitions |  |  |  |  |
Percentage of ownership interest acquired |  | 100.00% |  |  |
Total cash consideration transferred |  | $ 207.2 |  | 207.2 |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Cash and cash equivalents |  | 5.2 | 5.2 | 5.2 |
Receivables, net |  | 11.5 | 11.5 | 11.5 |
Inventories, net |  | 39.5 | 39.2 | 39.2 |
Prepaid expenses and other current assets |  | 2.1 | 2.1 | 2.1 |
Property, plant and equipment |  | 17.8 | 17.8 | 17.8 |
Definite-lived intangible assets |  | 109.3 | 110.1 | 110.1 |
Other long-term assets |  | 9.5 | 9.5 | 9.5 |
Accounts payable |  | (5.9) | (5.9) | (5.9) |
Income tax payable |  | 1.7 | 1.7 | 1.7 |
Accrued liabilities and other |  | (8.7) | (8.7) | (8.7) |
Other long-term liabilities |  | (12.4) | (12.4) | (12.4) |
Deferred income taxes |  | (25.4) | (25.6) | (25.6) |
Total identifiable net assets |  | 144.2 | 144.5 | 144.5 |
Goodwill |  | 63.0 | 62.7 | 62.7 |
Gross contractual accounts receivable acquired |  | 11.6 |  |  |
Receivables not expected to be collected |  | 0.1 |  |  |
Goodwill deductible for tax purposes |  | 0.0 |  |  |
Indemnification asset |  | 5.2 |  |  |
Petersen Aluminum Corporation | Adjustment |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Inventories, net |  |  | (0.3) | (0.3) |
Definite-lived intangible assets |  |  | 0.8 | 0.8 |
Deferred income taxes |  |  | (0.2) | (0.2) |
Total identifiable net assets |  |  | 0.3 | 0.3 |
Goodwill |  |  | (0.3) | (0.3) |
Petersen Aluminum Corporation | Acquired Technology |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Finite-lived intangible assets acquired |  | $ 2.5 |  |  |
Useful life of finite lived intangible assets |  | 10 years |  |  |
Petersen Aluminum Corporation | Customer relationships |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Finite-lived intangible assets acquired |  | $ 79.7 |  |  |
Useful life of finite lived intangible assets |  | 11 years |  |  |
Petersen Aluminum Corporation | Trade names |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Finite-lived intangible assets acquired |  | $ 27.9 |  |  |
Useful life of finite lived intangible assets |  | 17 years |  |  |
MicroConnex Corporation |  |  |  |  |
Acquisitions |  |  |  |  |
Percentage of ownership interest acquired | 100.00% |  |  |  |
Total cash consideration transferred | $ 46.8 |  |  |  |
Carlisle Construction Materials |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Goodwill |  |  | 596.0 | 596.0 | 532.8
Carlisle Construction Materials | Petersen Aluminum Corporation |  |  |  |  |
Acquisitions |  |  |  |  |
Contribution to net sales since acquisition |  |  | 48.3 | 83.8 |
Contribution to operating income since acquisition |  |  | 3.7 | 3.6 |
Carlisle Construction Materials | MicroConnex Corporation |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Goodwill deductible for tax purposes | 0.0 |  |  |  |
Carlisle Interconnect Technologies |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Goodwill |  |  | 657.6 | $ 657.6 | $ 643.1
Carlisle Interconnect Technologies | MicroConnex Corporation |  |  |  |  |
Acquisitions |  |  |  |  |
Contribution to net sales since acquisition |  |  | 3.0 |  |
Contribution to operating income since acquisition |  |  | $ (0.6) |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Receivables, net | 3.4 |  |  |  |
Inventories, net | 0.9 |  |  |  |
Definite-lived intangible assets | 27.4 |  |  |  |
Accounts payable | (0.6) |  |  |  |
Deferred income taxes | (7.0) |  |  |  |
Goodwill | 15.8 |  |  |  |
Goodwill deductible for tax purposes | $ 0.0 |  |  |  |
Carlisle Interconnect Technologies | MicroConnex Corporation | Acquired Technology |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Useful life of finite lived intangible assets | 5 years |  |  |  |
Carlisle Interconnect Technologies | MicroConnex Corporation | Customer relationships |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Useful life of finite lived intangible assets | 12 years |  |  |  |
Carlisle Interconnect Technologies | MicroConnex Corporation | Trade names |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |
Useful life of finite lived intangible assets | 17 years |  |  |  |

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