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Financial Instruments - Derivative Instruments Which Were Not Designated as Hedging Instruments (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Foreign Currency Contracts [Member] | Other (income) expense, net [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of gain or (loss) on derivative | $ 557 | $ 1,999
Fair Value of Derivatives Not Designated as Hedging Instrument [Member] | Foreign Currency Contracts [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of gain or (loss) on derivative | 557 | 14,505
Deal Contingent Swaps [Member] | Fair Value of Derivatives Not Designated as Hedging Instrument [Member] | Foreign Currency Contracts [Member] | Other Income Expense Net [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of gain or (loss) on derivative | 0 | 12,154
Deal Contingent Swaps [Member] | Fair Value of Derivatives Not Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Interest Expense [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of gain or (loss) on derivative | $ 0 | $ 352

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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