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v3.19.2

Derivatives and Financial Instruments - Assets and Liabilities Measured at Fair Value (Detail) - USD ($) $ in Millions | Jun. 30, 2019 | Dec. 31, 2018
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreign currency contract liabilities | $ (30.8) | $ (30.6)
Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreign currency contract liabilities | (30.8) | (30.6)
Deferred compensation plan | 20.4 | 20.9
Total recurring fair value measurements | (10.4) | (9.7)
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreign currency contract liabilities | 0.0 | 0.0
Deferred compensation plan | 12.2 | 17.6
Total recurring fair value measurements | 12.2 | 17.6
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreign currency contract liabilities | (30.8) | (30.6)
Deferred compensation plan | 0.0 | 0.0
Total recurring fair value measurements | (30.8) | (30.6)
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreign currency contract liabilities | 0.0 | 0.0
Deferred compensation plan | 0.0 | 0.0
Total recurring fair value measurements | 0.0 | 0.0
Fair Value Measured at Net Asset Value Per Share [Member] | Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreign currency contract liabilities |  | 0.0
Deferred compensation plan |  | 3.3
Total recurring fair value measurements | $ 8.2 | $ 3.3

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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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