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Financial Information for the Company and Its Subsidiaries - Additional Information (Detail)	Jun. 30, 2020	Jun. 24, 2020	Dec. 31, 2019	Feb. 16, 2016	Sep. 21, 2015	Feb. 11, 2015	Jul. 01, 2014	Mar. 12, 2013
6.125% Senior Notes Due 2021 [Member]
Line of Credit Facility [Line Items]
Debt instrument interest rate	6.125%		6.125%					6.125%
5.125% Senior Notes Due 2022 [Member]
Line of Credit Facility [Line Items]
Debt instrument interest rate	5.125%		5.125%				5.125%
5.625% Senior Notes Due 2023 [Member]
Line of Credit Facility [Line Items]
Debt instrument interest rate	5.625%		5.625%		5.625%	5.625%
6.500% Senior Notes Due 2024 [Member]
Line of Credit Facility [Line Items]
Debt instrument interest rate	6.50%		6.50%	6.50%
5.500% Senior Notes due 2028 [Member]
Line of Credit Facility [Line Items]
Debt instrument interest rate	5.50%	5.50%	5.50%

X

- 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

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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.

+ References

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