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Subsequent Events - Additional Information (Detail) - 5.000% Senior Notes due 2029 - USD ($) |  | 9 Months Ended
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Oct. 14, 2020 | Sep. 30, 2020
Subsequent Event [Line Items] |  |
Interest on the notes |  | payable semi-annually in arrears on April 15 and October 15, commencing on April 15, 2021.
Subsequent Event |  |
Subsequent Event [Line Items] |  |
Issued Senior Notes | $ 475,000,000.0 |
Debt instrument interest rate | 5.00% |
Debt instrument maturity date | Apr. 15, 2029 |
Debt extinguishment charge | $ 453,300,000 |

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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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