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Financial Instruments - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018 | Jun. 30, 2018
Derivative [Line Items] |  |  |  |
Debt, Long-term and Short-term, Combined Amount | $ 2,722,866 | $ 2,722,866 | $ 2,317,723 | $ 2,977,311
USD Interest Rate Swap Contract One [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Notional principal amount of outstanding of the interest rate swap agreement | $ 50,000 | $ 50,000 |  |
Fixed interest rate | 2.878% | 2.878% |  |
USD Interest Rate Swap Contract Two [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Notional principal amount of outstanding of the interest rate swap agreement | $ 50,000 | $ 50,000 |  |
Fixed interest rate | 2.878% | 2.878% |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Cash and cash equivalents | $ 111,341 | $ 111,341 |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Derivative Financial Instruments, Liabilities [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value | 4,571 | 4,571 |  |
Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Cash and cash equivalents | 111,341 | 111,341 |  |
Estimate of Fair Value, Fair Value Disclosure [Member] | Derivative Financial Instruments, Liabilities [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value | 4,571 | 4,571 |  |
Bank debt [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 1,361,402 | 1,361,402 |  |
Bank debt [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 1,361,402 | 1,361,402 |  |
4 3/4% Senior Notes due 2025 [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 300,000 | 300,000 |  |
4 3/4% Senior Notes due 2025 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 303,672 | 303,672 |  |
3 1/4% Senior Notes due 2025 [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 739,245 | 739,245 |  |
3 1/4% Senior Notes due 2025 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 766,841 | 766,841 |  |
5 1/2% Senior Notes due 2022 [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 300,000 | 300,000 |  |
5 1/2% Senior Notes due 2022 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | $ 301,404 | $ 301,404 |  |
5 1/2% Senior Notes due 2022 [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Senior note interest rate (percent) | 5.50% | 5.50% | 5.50% | 5.50%
Debt, Long-term and Short-term, Combined Amount | $ 300,000 | $ 300,000 | $ 300,000 | $ 300,000
3 1/4% Senior Notes due 2025 [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Senior note interest rate (percent) | 3.25% | 3.25% | 3.25% | 3.25%
Debt, Long-term and Short-term, Combined Amount | $ 739,245 | $ 739,245 | $ 744,380 | $ 759,460
4 3/4% Senior Notes due 2025 [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Senior note interest rate (percent) | 4.75% | 4.75% | 4.75% | 4.75%
Debt, Long-term and Short-term, Combined Amount | $ 300,000 | $ 300,000 | $ 300,000 | $ 300,000
Accumulated Translation Adjustment [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Foreign currency (losses) gains of net investment hedges included in accumulated other comprehensive loss | $ (4,700) | $ 2,400 |  |

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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 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 of all liability derivatives designated as cash flow hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + 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 The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition Amount before 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 35 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82918529&loc=d3e30304-110892 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=109240241&loc=d3e32022-110900 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109240241&loc=d3e32211-110900 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e637-108580 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 + Details
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