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Divestitures and Held for Sale - Summary of Amounts Included in Discontinued Operations (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Discontinued Operations and Disposal Groups [Abstract] |  |  |  |
Net sales | $ 1,525.7 | $ 1,527.2 | $ 2,730.3 | $ 2,702.9
Cost of products sold | 933.3 | 929.1 | 1,738.1 | 1,695.8
Selling, general and administrative expenses | 260.0 | 261.7 | 514.1 | 524.2
Restructuring costs, net | 2.5 | 6.9 | 5.0 | 10.9
Impairment of goodwill, intangibles and other assets | 454.0 | 0.7 | 454.0 | 0.7
Operating income (loss) | (124.1) | 328.8 | 19.1 | 471.3
Non-operating expense (income) | (461.4) | 3.3 | (461.0) | 4.1
Income before income taxes | 337.3 | 325.5 | 480.1 | 467.2
Income tax expense | 129.5 | 119.1 | 164.6 | 167.7
Net income | $ 207.8 | $ 206.4 | $ 315.5 | $ 299.5

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- Definition Amount before tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until its disposal. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e957-107759 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721523-107759 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 + Details
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