Long-Term Debt - Additional Information (Details)						6 Months Ended
	May 06, 2025 USD ($)	Jun. 29, 2023 USD ($)	Jan. 05, 2023 USD ($)	May 24, 2021 USD ($)	Jan. 04, 2019	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 GBP (£)	Dec. 31, 2024 USD ($)	Jul. 01, 2021 USD ($)
Debt Instrument [Line Items]
Line of credit facility, accordion feature						$ 500,000,000
Amounts due within one year						8,383,000			$ 26,391,000
Minimum fixed charges coverage ratio (not less than)					1.50
Maximum consolidated leverage ratio (not to exceed)					3.50
Consolidated leverage ratio (not more than)					4.00
Long term debt						679,348,000			$ 508,013,000
Restricted cash included in prepaid expenses and other current assets						$ 958,000	$ 2,005,000
Debt Instrument, Weighted-Average Revolver Interest Rate						4.83%		4.83%
Acquisitions, net of cash acquired (Note 15)						$ 187,774,000	$ 0
M&C
Debt Instrument [Line Items]
Acquisitions, net of cash acquired (Note 15)	$ 188,000,000
Standby Letters of Credit
Debt Instrument [Line Items]
Proceeds from lines of credit						10,300,000
Senior Revolving Credit Facility Maturing in 2023 | Standby Letters of Credit
Debt Instrument [Line Items]
Proceeds from lines of credit						$ 1,500,000
Series C Senior Notes Due July 2036
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage						2.69%		2.69%
Series A Senior Notes Due 2036
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage						2.69%		2.69%
Senior Notes | Series C Senior Notes Due July 2036
Debt Instrument [Line Items]
Aggregate principal amount										$ 100,000,000
Debt instrument, stated interest rate percentage										2.69%
Senior Notes | Series A Senior Notes Due 2036
Debt Instrument [Line Items]
Aggregate principal amount										$ 100,000,000
Debt instrument, stated interest rate percentage										2.69%
Senior Notes | NYL Note Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity										$ 200,000,000
Senior Notes | Senior Notes Due 2028
Debt Instrument [Line Items]
Aggregate principal amount		$ 50,000,000
Debt instrument, stated interest rate percentage		5.25%				5.25%		5.25%
Principal of debt amount due in year before maturity		$ 25,000,000
Principal of debt amount due at maturity		$ 25,000,000
Unsecured Debt | Series C Senior Notes Due July 2036
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity										$ 335,000,000
Notes Payable | Multi-currency Notes Due in 2031
Debt Instrument [Line Items]
Aggregate principal amount						$ 50,300,000		£ 36,600,000
Debt instrument, stated interest rate percentage						3.40%		3.40%
Amounts due within one year						$ 8,400,000		£ 6,100,000
Line of Credit | Senior revolving credit facility maturing in 2030, net of debt issuance costs
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				$ 1,300,000,000
Line of Credit Facility, Remaining Borrowing Capacity						$ 915,400,000
Line of Credit | Senior revolving credit facility maturing in 2030, net of debt issuance costs | M&C
Debt Instrument [Line Items]
Line of Credit Facility, Amount Financed Including Cash	$ 137,300,000
Line of Credit | 2023 Term Loan credit agreement maturing in 2026, net of debt issuance costs | Secured Debt
Debt Instrument [Line Items]
Long term debt			$ 250,000,000
Overnight Bank Funding Rate | Senior Revolving Credit Facility Maturing in 2023
Debt Instrument [Line Items]
Interest rate margin, percentage				0.50%
Secured Overnight Financing Rate (SOFR) | Senior Revolving Credit Facility Maturing in 2023
Debt Instrument [Line Items]
Interest rate margin, percentage				1.00%
Minimum | Senior Revolving Credit Facility Maturing in 2023
Debt Instrument [Line Items]
Interest rate margin, percentage				0.00%
Minimum | Line of Credit | 2023 Term Loan credit agreement maturing in 2026, net of debt issuance costs | Secured Debt
Debt Instrument [Line Items]
Basis spread on EBITDA leverage ratio and elected rate			0.00%
Maximum | Senior Revolving Credit Facility Maturing in 2023
Debt Instrument [Line Items]
Interest rate margin, percentage				1.75%
Maximum | Line of Credit | 2023 Term Loan credit agreement maturing in 2026, net of debt issuance costs | Secured Debt
Debt Instrument [Line Items]
Basis spread on EBITDA leverage ratio and elected rate			2.00%