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Financial Instruments - Carrying Amount and Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Reported Value Measurement |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents, Fair Value Disclosure | $ 426,717 | $ 634,897
Credit facilities and bank overdrafts | 4,949 | 4,695
Derivative Asset | 0 | 0
Derivative Liability | 0 | 0
Reported Value Measurement | 2020 Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 298,954 | 298,499
Reported Value Measurement | 2023 Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 298,850 | 298,698
Reported Value Measurement | 2021 Euro Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 338,505 | 337,704
Reported Value Measurement | 2024 Euro Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 565,404 | 564,034
Reported Value Measurement | 2026 Euro Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 902,063 | 899,886
Reported Value Measurement | 2028 Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 396,535 | 396,377
Reported Value Measurement | 2048 Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 785,890 | 785,788
Reported Value Measurement | 2047 Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 493,361 | 493,151
Reported Value Measurement | Term loan credit agreement |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 324,370 | 349,163
Reported Value Measurement | Amortizing Note |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 103,968 | 125,007
Estimate of Fair Value Measurement [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents, Fair Value Disclosure | 426,717 | 634,897
Credit facilities and bank overdrafts | 4,949 | 4,695
Derivative Asset | 14,353 | 7,229
Derivative Liability | 6,342 | 6,907
Estimate of Fair Value Measurement [Member] | 2020 Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 303,208 | 300,356
Estimate of Fair Value Measurement [Member] | 2023 Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 304,471 | 293,017
Estimate of Fair Value Measurement [Member] | 2021 Euro Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 344,904 | 341,094
Estimate of Fair Value Measurement [Member] | 2024 Euro Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 605,769 | 584,129
Estimate of Fair Value Measurement [Member] | 2026 Euro Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 967,456 | 909,439
Estimate of Fair Value Measurement [Member] | 2028 Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 435,181 | 401,231
Estimate of Fair Value Measurement [Member] | 2048 Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 887,584 | 783,925
Estimate of Fair Value Measurement [Member] | 2047 Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 505,988 | 446,725
Estimate of Fair Value Measurement [Member] | Term loan credit agreement |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | 325,000 | 350,000
Estimate of Fair Value Measurement [Member] | Amortizing Note |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Senior Notes, Noncurrent | $ 106,715 | $ 127,879

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 + 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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- Definition Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders. + 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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