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Derivatives - Additional Information (Detail) - USD ($) | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Derivative [Line Items] |  |  |
Cash flow hedge gain (loss) to be reclassified within twelve months | $ 17,900,000 |  |
Other Expense, Net [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative instruments not designated as hedging instruments, expense (income), net | 1,800,000 | $ 41,500,000 | $ 25,600,000
4.70% Senior Notes Due 2020 [Member] |  |  |
Derivative [Line Items] |  |  |
Debt Instrument, face amount | $ 277,000,000 |  |
Debt Instrument, interest rate, stated percentage | 4.70% | 4.70% |
4.00% Senior Notes Due 2024 [Member] |  |  |
Derivative [Line Items] |  |  |
Debt Instrument, face amount | $ 250,000,000 |  |
Debt Instrument, interest rate, stated percentage | 4.00% | 4.00% |
Interest Rate Swaps [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | $ 527,000,000 |  |
Foreign Currency Contracts [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | 504,000,000 |  |
Foreign Currency Contracts [Member] | Derivatives Not Designated as Effective Hedges [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | $ 1,000,000,000 |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CC -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + 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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