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Long-Term Debt (Prior Credit Facility) - Additional Information (Detail) - USD ($) $ in Thousands					6 Months Ended
	Jan. 19, 2021	Jan. 05, 2021	Dec. 31, 2012	Apr. 01, 2011	Jun. 30, 2021
Debt Instrument [Line Items]
Debt extinguishment costs					$ (24,650)
Term Loan A- Facility [Member]
Debt Instrument [Line Items]
Repayments of credit facility	$ 311,700
Tranche B-4 Facilities [Member]
Debt Instrument [Line Items]
Repayments of credit facility	$ 767,900	$ 105,000
Prior Credit Facility [Member]
Debt Instrument [Line Items]
Date entered into an agreement			Dec. 31, 2012	Apr. 01, 2011
Debt extinguishment costs					$ 10,900

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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.

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No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=126972273&loc=d3e12355-112629

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- Definition

Date the credit facility first became available, in YYYY-MM-DD format.

+ 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 210.5-02.19(b),22(b))
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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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-Topic 230
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