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Description of Business and Significant Accounting Policies - Additional Information (Detail) $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 01, 2018 USD ($) | Sep. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | Mar. 31, 2017 USD ($) | Dec. 31, 2018 USD ($) asset_group | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Income (loss) from continuing operations, net of tax, attributable to non-controlling interest |  |  |  |  | $ 1.6 | $ 3.5 | $ 1.9
Current assets held for sale |  |  |  |  | 3,541.3 | 6,370.4 |
Current liabilities held for sale |  |  |  |  | 650.4 | 1,661.3 |
Impairment charges |  |  |  |  | 8,322.0 | 84.3 |
Advertising expense |  |  |  |  | 374.0 | 447.0 | 364.0
Research and development expense |  |  |  |  | 135.0 | 158.0 | 147.0
Foreign currency transaction loss, before tax |  |  |  |  | 8.3 | 11.3 | 3.1
Net cash used in operating activities |  |  |  |  | 680.0 | 966.2 | 1,840.4
Net cash used in financing activities |  |  |  |  | (5,454.5) | (2,195.8) | 7,328.5
Customer Supply Chain [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Cost of products sold |  | $ 12.9 | $ 15.9 | $ 1.8 |  | 40.1 |
Discontinued Operations, Held-for-sale [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Current assets held for sale |  |  |  |  | 2,900.0 |  |
Current liabilities held for sale |  |  |  |  | $ 2,900.0 |  |
Number of disposal groups classified as held for sale | asset_group |  |  |  |  | 5 |  |
Discontinued Operations, Held-for-sale [Member] | Process Solutions [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Impairment charges |  |  |  |  | $ 697.0 |  |
Discontinued Operations, Held-for-sale [Member] | Rexair Disposal Group [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Impairment charges |  |  |  |  | 131.0 |  |
Discontinued Operations, Held-for-sale [Member] | US Playing Cards [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Impairment charges |  |  |  |  | 80.0 |  |
Discontinued Operations [Member] | Customer Supply Chain [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Cost of products sold |  | $ 1.7 | $ 1.6 | $ 1.3 |  | 7.3 |
Accounting Standards Update 2016-16 [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Retained earnings and prepaid expenses |  |  |  |  | (17.8) |  |
ASU 2017-07 [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Income reclassified from selling, general and administrative expenses ("SG&A") to other expense (income), net |  |  |  |  |  | 11.9 | 8.4
Accounting Standards Update 2016-15 [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Net cash used in operating activities |  |  |  |  |  | 34.2 |
Net cash used in financing activities |  |  |  |  |  | (34.2) |
Accounting Standards Update 2018-02 [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Reclassification to retained earnings |  |  |  |  | 62.6 |  |
Sprue Aegis [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  | $ 8.4 | $ 33.5 | $ 23.2
Investment owned, percentage |  |  |  |  | 23.40% |  |
Retained Earnings And Prepaid Expenses And Other [Member] | Accounting Standards Update 2016-16 [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Retained earnings and prepaid expenses | $ (17.8) |  |  |  |  |  |
Stock Options [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Share-based compensation arrangement by share-based payment award, vesting period |  |  |  |  | 3 years |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Share-based compensation arrangement by share-based payment award, vesting period |  |  |  |  | 3 years |  |
Minimum [Member] | Land, Buildings and Improvements [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Property, plant and equipment, useful life |  |  |  |  | 20 years |  |
Minimum [Member] | Machinery and Equipment [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Property, plant and equipment, useful life |  |  |  |  | 3 years |  |
Minimum [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Share-based compensation arrangement by share-based payment award, vesting period |  |  |  |  | 1 year |  |
Maximum [Member] | Land, Buildings and Improvements [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Property, plant and equipment, useful life |  |  |  |  | 40 years |  |
Maximum [Member] | Machinery and Equipment [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Property, plant and equipment, useful life |  |  |  |  | 15 years |  |
Maximum [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |
Basis of Presentation and Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Share-based compensation arrangement by share-based payment award, vesting period |  |  |  |  | 3 years |  |

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