Commitments and Contingencies - Narrative (Detail) - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Jun. 30, 2017 |
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| Operating Leased Assets [Line Items] | ||||
| Operating lease costs | $ 64,200,000 | |||
| Rent expense | $ 46,800,000 | $ 42,800,000 | ||
| Operating lease liabilities, payments | 44,100,000 | |||
| Right-of-use assets obtained in exchange for operating lease liabilities | $ 115,000,000.0 | |||
| Weighted-average remaining lease term | 9 years 8 months 12 days | |||
| Weighted-average discount rate | 3.70% | |||
| Undiscounted cash flows | $ 445,700,000 | |||
| Unrecognized tax benefits | 6,100,000 | |||
| Letters of credit | 22,900,000 | |||
| 2022 Notes | ||||
| Operating Leased Assets [Line Items] | ||||
| Principal | $ 782,491,000 | $ 782,500,000 | $ 782,500,000 | |
| Minimum | ||||
| Operating Leased Assets [Line Items] | ||||
| Operating lease terms | 3 years | |||
| Maximum | ||||
| Operating Leased Assets [Line Items] | ||||
| Operating lease terms | 15 years | |||
| X | ||||||||||
- Definition Lessee, Operating Lease, Lease Not Yet Commenced. Undiscounted Cash Flows No definition available.
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. No definition available.
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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