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Financial Instruments - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2019
Derivative [Line Items] |  |  |
Debt, Long-term and Short-term, Combined Amount | $ 3,051,150 | $ 2,258,873 | $ 2,704,068
USD Interest Rate Swap Contract One [Member] |  |  |
Derivative [Line Items] |  |  |
Fixed interest rate | 2.878% |  |
Derivative, Notional Amount (1) | $ 50,000 |  |
USD Interest Rate Swap Contract Two [Member] |  |  |
Derivative [Line Items] |  |  |
Fixed interest rate | 2.878% |  |
Derivative, Notional Amount (1) | $ 50,000 |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |
Derivative [Line Items] |  |  |
Cash and cash equivalents | 614,846 |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Derivative Financial Instruments, Liabilities [Member] |  |  |
Derivative [Line Items] |  |  |
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value | 7,396 |  |
Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |
Derivative [Line Items] |  |  |
Cash and cash equivalents | 614,846 |  |
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 | 7,396 |  |
Bank debt [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |
Derivative [Line Items] |  |  |
Long-Term Debt | 856,239 |  |
Bank debt [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |
Derivative [Line Items] |  |  |
Long-Term Debt | 856,239 |  |
4 3/4% Senior Notes due 2025 [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |
Derivative [Line Items] |  |  |
Long-Term Debt | 300,000 |  |
4 3/4% Senior Notes due 2025 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |
Derivative [Line Items] |  |  |
Long-Term Debt | 289,500 |  |
3 1/4% Senior Notes due 2025 [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |
Derivative [Line Items] |  |  |
Long-Term Debt | 713,490 |  |
3 1/4% Senior Notes due 2025 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |
Derivative [Line Items] |  |  |
Long-Term Debt | 699,263 |  |
Four and One Eighth Percent Senior Notes Due 2028 [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |
Derivative [Line Items] |  |  |
Long-Term Debt | 599,009 |  |
Four and One Eighth Percent Senior Notes Due 2028 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |
Derivative [Line Items] |  |  |
Long-Term Debt | 553,500 |  |
Two and One Quarter Percent Senior Notes Due 2028 | Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |
Derivative [Line Items] |  |  |
Long-Term Debt | 548,839 |  |
Two and One Quarter Percent Senior Notes Due 2028 | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |
Derivative [Line Items] |  |  |
Long-Term Debt | $ 489,015 |  |
3 1/4% Senior Notes due 2025 [Member] |  |  |
Derivative [Line Items] |  |  |
Senior note interest rate (percent) | 3.25% | 3.25% | 3.25%
Debt, Long-term and Short-term, Combined Amount | $ 713,490 | $ 729,755 | $ 729,170
4 3/4% Senior Notes due 2025 [Member] |  |  |
Derivative [Line Items] |  |  |
Senior note interest rate (percent) | 4.75% | 4.75% | 4.75%
Debt, Long-term and Short-term, Combined Amount | $ 300,000 | $ 300,000 | $ 300,000
Four and One Eighth Percent Senior Notes Due 2028 [Member] |  |  |
Derivative [Line Items] |  |  |
Senior note interest rate (percent) | 4.125% | 4.125% |
Debt, Long-term and Short-term, Combined Amount | $ 600,000 | $ 400,000 | $ 0
Two and One Quarter Percent Senior Notes Due 2028 |  |  |
Derivative [Line Items] |  |  |
Senior note interest rate (percent) | 2.25% |  |
Debt, Long-term and Short-term, Combined Amount | $ 548,839 |  |
Accumulated Translation Adjustment [Member] |  |  |
Derivative [Line Items] |  |  |
Foreign currency (losses) gains of net investment hedges included in accumulated other comprehensive loss | $ (700) |  |

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