Long-term debt - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	May 09, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Debt Instrument [Line Items]
Weighted average effective interest rate at quarter end		4.33%		4.33%
Weighted average effective interest rate during quarter		4.27%		4.39%
Percentage of debt instruments bearing fixed interest rate		55.00%		55.00%
Long Term Debt Percentage Bearing Economically Fixed Interest Rate		93.00%		93.00%
Leverage Ratio Covenant		4.00		4.00
Leverage Ratio Covenant Through Jun 30, 2026		5.00		5.00
Leverage Ratio Covenant after Jun 30, 2026		4.50		4.50
Leverage Ratio Covenant after Jun 30, 2026 - Subject to Increase during four fiscal quarters following a material acquisition		5.00		5.00
Debt Prepayment, Extinguishment And Modification Costs		$ 9,732	$ 7,962	$ 9,732	$ 7,962
Revolving line of credit
Debt Instrument [Line Items]
Secured Debt Outstanding Principal Balance Subject To SOFR		260,000		260,000
Secured Debt		260,000		260,000		$ 0
Revolving line of credit, fair value of amount outstanding		260,000		260,000
Line of Credit Facility [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity		1,240,000		1,240,000
Maximum borrowing capacity on the revolving credit facilities		1,500,000		$ 1,500,000
Revolving line of credit | SOFR
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis				Base + 1.75%
Letter of Credit
Debt Instrument [Line Items]
Letters of credit outstanding		0		$ 0
Bilateral Secured Letter Of Credit Facility
Debt Instrument [Line Items]
Letters of credit outstanding		154,341		154,341
Term Loan A-1
Debt Instrument [Line Items]
Secured Debt Outstanding Principal Balance Subject To SOFR		308,820		308,820
Secured Debt		1,218,750		1,218,750		1,234,375
Debt Instrument, Fair Value Disclosure		$ 1,212,656		$ 1,212,656
Term Loan A-1 | SOFR
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis				Base + 1.75%
Senior Secured Credit Facilities
Debt Instrument [Line Items]
Weighted average effective interest rate at quarter end		4.62%		4.62%
Debt Instrument, Unamortized Discount		$ 9,433		$ 9,433		2,487
Deferred Financing Costs		31,257		31,257		32,498
Senior Notes
Debt Instrument [Line Items]
Deferred Financing Costs		29,136		29,136		31,491
Debt Instrument, Unamortized Premium		11,184		$ 11,184		$ 12,129
Extended Term Loan B-1
Debt Instrument [Line Items]
Constructive Financing Cash Outflows		6,302
Constructive Financing Cash Inflow		728,653
Other Significant Noncash Financing Activity		13,282
Secured Debt, Extended Maturity		$ 911,598
Debt Instrument Quarterly Payment Start Date		Dec. 31, 2024
Debt Instrument, Quarterly Payment, % of Aggregate Principal Outstanding		0.25%		0.25%
Debt Instrument, effective date	May 09, 2024
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid		$ 1,533,635		$ 1,533,635
Secured Debt		1,640,251		$ 1,640,251
Debt Instrument, Maturity Date				May 09, 2031
Debt Instrument, Fair Value Disclosure		1,636,150		$ 1,636,150
Extended Term Loan B 1 - Additional Incremental Principal		$ 728,653
Extended Term Loan B-1 | Adjusted Rate | Base Rate Loans
Debt Instrument [Line Items]
Term SOFR or Base Rate Plus Interest Rate Margin		1.00%
Extended Term Loan B-1 | SOFR
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis		SOFR + 2.00%
Extended Term Loan B-1 | SOFR | SOFR Loans
Debt Instrument [Line Items]
Term SOFR or Base Rate Plus Interest Rate Margin		2.00%
Extended Term Loan B-1 | Maximum | 1-Month SOFR | Base Rate Loans
Debt Instrument [Line Items]
Term SOFR or Base Rate Plus Interest Rate Margin		1.00%
Extended Term Loan B-1 | Maximum | Prime Rate | Base Rate Loans
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis		prime commercial lending rate
Extended Term Loan B-1 | Maximum | Fed Funds Effective Rate Overnight Index Swap Rate | Base Rate Loans
Debt Instrument [Line Items]
Term SOFR or Base Rate Plus Interest Rate Margin		0.50%
Extended Term Loan B-1 | Minimum
Debt Instrument [Line Items]
Term SOFR or Base Rate Plus Interest Rate Margin		0.00%