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Financial Instruments - Additional Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019 | Jun. 30, 2019
USD Interest Rate Swap Contract One [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, Notional Amount | $ 50,000,000.0 | $ 50,000,000.0 |  |
Fixed interest rate | 2.878% | 2.878% |  |
USD Interest Rate Swap Contract Two [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, Notional Amount | $ 50,000,000.0 | $ 50,000,000.0 |  |
Fixed interest rate | 2.878% | 2.878% |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Cash and cash equivalents | $ 191,082,000 | $ 191,082,000 |  |
Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Cash and cash equivalents | 191,082,000 | 191,082,000 |  |
Bank debt [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 1,296,534,000 | 1,296,534,000 |  |
Bank debt [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 1,296,534,000 | 1,296,534,000 |  |
4 3/4% Senior Notes due 2025 [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 300,000,000 | 300,000,000 |  |
4 3/4% Senior Notes due 2025 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 303,813,000 | 303,813,000 |  |
3 1/4% Senior Notes due 2025 [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 728,520,000 | 728,520,000 |  |
3 1/4% Senior Notes due 2025 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 734,592,000 | 734,592,000 |  |
Four and One Eighth Percent Senior Notes Due 2028 [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 599,035,000 | 599,035,000 |  |
Four and One Eighth Percent Senior Notes Due 2028 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 594,750,000 | 594,750,000 |  |
Two and One Quarter Percent Senior Notes Due 2028 | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 560,400,000 | 560,400,000 |  |
Two and One Quarter Percent Senior Notes Due 2028 | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 540,450,000 | 540,450,000 |  |
Derivative, Notional Amount (1) | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | 7,259,000 | 7,259,000 |  |
Derivative, Notional Amount (1) | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Long-Term Debt | $ 7,259,000 | $ 7,259,000 |  |
3 1/4% Senior Notes due 2025 [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Senior note interest rate (percent) | 3.25% | 3.25% | 3.25% | 3.25%
4 3/4% Senior Notes due 2025 [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Senior note interest rate (percent) | 4.75% | 4.75% | 4.75% | 4.75%
Four and One Eighth Percent Senior Notes Due 2028 [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Senior note interest rate (percent) | 4.125% | 4.125% | 4.125% |
Two and One Quarter Percent Senior Notes Due 2028 |  |  |  |
Derivative [Line Items] |  |  |  |
Senior note interest rate (percent) | 2.25% | 2.25% |  |
Accumulated Translation Adjustment [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Foreign currency (losses) gains of net investment hedges included in accumulated other comprehensive loss | $ (15,600,000) | $ (16,200,000) |  |

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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 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=120391452&loc=d3e13212-122682 + 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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=120253306&loc=d3e28129-110885 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32022-110900 Reference 3: 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=121641772&loc=d3e637-108580 Reference 4: 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=121641772&loc=SL7669646-108580 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 35 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121605123&loc=d3e30304-110892 + Details
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