CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Comprehensive income:
Net income (loss)	$ 106.6	$ (6,942.5)	$ 2,748.8
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	14.1	(173.8)	289.1
Unrecognized pension and postretirement costs	(0.9)	41.9	14.5
Derivative financial instruments	(20.3)	44.8	(21.9)
Total other comprehensive income (loss), net of tax	(7.1)	(87.1)	281.7
Comprehensive income (loss)	$ 99.5	$ (7,029.6)	$ 3,030.5

Other Comprehensive Income (Loss), Derivative Financial Instruments, Net of Tax

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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