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Acquisitions and Divestitures - Oral Care Assets of High Ridge Brands and Ranir Global Holdings,LLC Acquisitions (Details) - USD ($) $ in Millions |  |  | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Apr. 01, 2020 | Jul. 01, 2019 | Sep. 26, 2020 | Sep. 26, 2020 | Dec. 31, 2019 | Sep. 26, 2020 | Sep. 28, 2019
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash consideration - net of cash acquired |  |  |  |  |  |  | $ 106.0 | $ 749.5
Measurement period adjustment to goodwill |  |  |  |  |  |  | 1.6 |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 3,839.3 | $ 3,839.3 | $ 4,116.7 | 3,839.3 |
CSCA |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Measurement period adjustment to goodwill |  |  |  |  |  |  | (10.4) |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Goodwill |  |  |  | 1,898.8 | 1,898.8 | 1,899.1 | 1,898.8 |
CSCI |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Measurement period adjustment to goodwill | [1] |  |  |  |  |  | 12.0 |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Goodwill | [1] |  |  | 1,129.4 | 1,129.4 | 1,203.7 | 1,129.4 |
Oral Care Assets of High Ridge Brands (Dr. Fresh) |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash consideration |  | $ 113.0 |  |  | 106.0 |  |  |
Prepayment of contract consideration for transitional services |  |  |  | 2.0 | 2.0 |  | 2.0 |
Net sales since acquisition |  |  |  |  | 44.4 |  |  |
Net income since acquisition |  |  |  |  | 0.7 |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Accounts receivable |  |  |  | 13.1 | 13.1 |  | 13.1 |
Inventories |  |  |  | 23.4 | 23.4 |  | 23.4 |
Prepaid expenses and other current assets |  |  |  | 0.4 | 0.4 |  | 0.4 |
Property, plant and equipment, net |  |  |  | 0.7 | 0.7 |  | 0.7 |
Operating lease assets |  |  |  | 2.6 | 2.6 |  | 2.6 |
Goodwill |  |  |  | 15.9 | 15.9 |  | 15.9 |
Definite-lived intangible assets |  |  |  | 66.1 | 66.1 |  | 66.1 |
Total assets |  |  |  | 122.2 | 122.2 |  | 122.2 |
Accounts payable |  |  |  | 6.0 | 6.0 |  | 6.0 |
Other accrued liabilities |  |  |  | 4.0 | 4.0 |  | 4.0 |
Payroll and related taxes |  |  |  | 0.7 | 0.7 |  | 0.7 |
Accrued customer programs |  |  |  | 3.0 | 3.0 |  | 3.0 |
Other non-current liabilities |  |  |  | 2.5 | 2.5 |  | 2.5 |
Total liabilities |  |  |  | 16.2 | 16.2 |  | 16.2 |
Net assets acquired |  |  |  | 106.0 | 106.0 |  | 106.0 |
Useful life of intangible assets |  | 17 years 9 months 18 days |  |  |  |  |  |
Oral Care Assets of High Ridge Brands (Dr. Fresh) | CSCA |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Inventory costs stepped up to acquisition date fair value |  |  |  |  | 2.0 |  |  |
General transaction costs |  |  |  | 0.1 |  |  | 4.2 |
Measurement period adjustment to intangibles |  |  |  | (0.7) |  |  |  |
Measurement period adjustment to goodwill |  |  |  | (0.4) |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Goodwill |  | $ 14.1 |  |  |  |  |  |
Oral Care Assets of High Ridge Brands (Dr. Fresh) | CSCI |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Goodwill |  | $ 1.8 |  |  |  |  |  |
Oral Care Assets of High Ridge Brands (Dr. Fresh) | Distribution and License Agreements and Supply Agreements |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Definite-lived intangible assets |  |  |  | 2.2 | 2.2 |  | 2.2 |
Oral Care Assets of High Ridge Brands (Dr. Fresh) | Developed product technology, formulations, and product rights |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Definite-lived intangible assets |  |  |  | 0.1 | 0.1 |  | 0.1 |
Oral Care Assets of High Ridge Brands (Dr. Fresh) | Customer relationships and distribution networks |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Definite-lived intangible assets |  |  |  | 20.6 | 20.6 |  | 20.6 |
Oral Care Assets of High Ridge Brands (Dr. Fresh) | Trademarks, trade names, and brands |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Definite-lived intangible assets |  |  |  | 43.2 | 43.2 |  | 43.2 |
Ranir Global Holdings, LLC |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash consideration |  |  | $ 759.2 |  |  |  |  |
Outstanding equity interest acquired (percent) |  |  | 100.00% |  |  |  |  |
Total base consideration |  |  | $ 750.0 |  |  |  |  |
Cash consideration - net of cash acquired |  |  | 747.7 |  |  |  |  |
Net sales since acquisition |  |  |  |  |  | 151.4 |  |
Net income since acquisition |  |  |  |  |  | 7.6 |  |
Inventory costs stepped up to acquisition date fair value |  |  |  |  |  | $ 5.7 |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  | 11.5 |  |  |  |  |
Accounts receivable |  |  | 40.6 |  |  |  |  |
Inventories |  |  | 59.0 |  |  |  |  |
Prepaid expenses and other current assets |  |  | 4.0 |  |  |  |  |
Property, plant and equipment, net |  |  | 40.8 |  |  |  |  |
Operating lease assets |  |  | 3.7 |  |  |  |  |
Goodwill |  |  | 292.7 |  |  |  |  |
Total intangible assets |  |  | 389.3 |  |  |  |  |
Other non-current assets |  |  | 2.8 |  |  |  |  |
Total assets |  |  | 844.4 |  |  |  |  |
Accounts payable |  |  | 17.6 |  |  |  |  |
Other accrued liabilities |  |  | 7.7 |  |  |  |  |
Payroll and related taxes |  |  | 5.5 |  |  |  |  |
Accrued customer programs |  |  | 5.7 |  |  |  |  |
Deferred income taxes |  |  | 45.9 |  |  |  |  |
Other non-current liabilities |  |  | 2.8 |  |  |  |  |
Total liabilities |  |  | 85.2 |  |  |  |  |
Net assets acquired |  |  | 759.2 |  |  |  |  |
Ranir Global Holdings, LLC | CSCA |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Goodwill |  |  |  | 212.6 | 212.6 |  | 212.6 |
Goodwill expected to be tax deductible |  |  |  | 252.3 | 252.3 |  | 252.3 |
Ranir Global Holdings, LLC | CSCI |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 80.1 | $ 80.1 |  | $ 80.1 |
Ranir Global Holdings, LLC | In-process research and development |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Indefinite-lived intangibles |  |  | 39.7 |  |  |  |  |
Ranir Global Holdings, LLC | Developed product technology, formulations, and product rights |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Definite-lived intangible assets |  |  | $ 48.6 |  |  |  |  |
Useful life of intangible assets |  |  | 10 years |  |  |  |  |
Ranir Global Holdings, LLC | Customer relationships and distribution networks |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Definite-lived intangible assets |  |  | $ 260.0 |  |  |  |  |
Useful life of intangible assets |  |  | 24 years |  |  |  |  |
Ranir Global Holdings, LLC | Trademarks, trade names, and brands |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Definite-lived intangible assets |  |  | $ 41.0 |  |  |  |  |
Minimum | Ranir Global Holdings, LLC | Trademarks, trade names, and brands |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Useful life of intangible assets |  |  | 20 years |  |  |  |  |
Maximum | Ranir Global Holdings, LLC | Trademarks, trade names, and brands |  |  |  |  |  |  |  |
Estimated fair value of assets acquired and liabilities assumed: |  |  |  |  |  |  |  |
Useful life of intangible assets |  |  | 25 years |  |  |  |  |
[1] | We had accumulated goodwill impairments of $868.4 million as of each of December 31, 2019 and September 26, 2020.

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