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Financing - Additional Information (Detail) - USD ($) $ in Thousands |  |  |  | 8 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 15, 2021 | Nov. 18, 2017 | Nov. 17, 2017 | May 08, 2021 | Feb. 22, 2021 | Aug. 29, 2020 | Apr. 03, 2020
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of Long-term Debt |  |  |  | $ 250,000 |  |  |
Remaining borrowing capacity under revolving credit facility |  |  |  | 1,998,000 |  |  |
Amount available under credit facility |  |  |  | 2,000,000 |  |  |
Maximum amount available under credit facility |  |  |  |  |  |  | $ 750,000
Fair value of the Company's debt |  |  |  | 4,758,000 |  | $ 6,081,000 |
Excess (shortfall) of fair value of debt over (from) carrying value |  |  |  | $ 509,500 |  | 567,500 |
Third Amended and Restated Credit Agreement [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Amount available under credit facility |  |  | $ 1,600,000 |  |  |  |
Maximum amount available under credit facility |  |  | $ 2,000,000 |  |  |  |
Credit facility expiration date |  |  | Nov. 18, 2021 |  |  |  |
Master Extension Agreement [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Amount available under credit facility |  | $ 2,000,000 |  |  |  |  |
Maximum amount available under credit facility |  | $ 2,400,000 |  |  |  |  |
Credit facility expiration date |  | Nov. 18, 2022 |  |  |  |  |
Extended expiration of credit facility |  | 1 year |  |  |  |  |
Credit Agreement description |  |  |  | Under the Revolving Credit Agreement, the Company may borrow funds consisting of Eurodollar loans, base rate loans or a combination of both. Interest accrues on Eurodollar loans at a defined Eurodollar rate, defined as LIBOR plus the applicable percentage, as defined in the Revolving Credit Agreement, depending upon the Company’s senior, unsecured, (non-credit enhanced) long-term debt ratings. Interest accrues on base rate loans as defined in the Revolving Credit Agreement. |  |  |
Letters of credit, outstanding |  |  |  | $ 1,700 |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Borrowings, outstanding |  |  |  | $ 0 | $ 0 |  |
2.500% Senior Notes due April 2021, effective interest rate of 2.62% |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Senior notes |  |  |  |  |  | 250,000 |
Stated interest rate percentage | 2.50% |  |  | 2.50% |  |  |
Repayments of Long-term Debt | $ 250,000 |  |  |  |  |  |
3.700% Senior Notes due April 2022, effective interest rate of 3.85% |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Senior notes |  |  |  | $ 500,000 |  | $ 500,000 |
Stated interest rate percentage |  |  |  | 3.70% |  |  |

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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 This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of long-term debt instruments that have contractual principal amounts and for which the fair value option has been elected. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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