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Long-Term Debt - Narrative (Details) $ in Thousands			3 Months Ended		6 Months Ended
Long-Term Debt - Narrative (Details) $ in Thousands	Jan. 11, 2026	Jul. 09, 2025 USD ($)	Jun. 28, 2026 USD ($) loan	Jun. 29, 2025 USD ($)	Jun. 28, 2026 USD ($) loan	Jun. 28, 2026 USD ($) loan	Jun. 29, 2025 USD ($)	Dec. 28, 2025 USD ($)	Aug. 27, 2021 USD ($)
Debt Instrument [Line Items]
Total long-term debt			$ 727,718		$ 727,718	$ 727,718		$ 748,418
Amortization of debt issuance costs			500	$ 1,300		1,146	$ 2,452
Fair value			$ 727,827		$ 727,827	$ 727,827		749,994
Equipment Loans
Debt Instrument [Line Items]
Number of equipment loans \| loan			6		6	6
Debt instrument, face amount			$ 150,000		$ 150,000	$ 150,000
Secured Term Loan And Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Total long-term debt			701,855		701,855	701,855		707,201
Fair value			701,528		701,528	701,528		708,972
Surety-Backed Letters Of Credit
Debt Instrument [Line Items]
Surety backed letters of credit			55,400		55,400	55,400
Secured Debt \| Secured Term Loan Facility \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing		$ 800,000							$ 1,145,000
Discount rate									1.00%
Assets securing the facility			2,300,000		2,300,000	2,300,000
Total long-term debt			616,000		616,000	616,000		616,000
Debt issuance costs			10,000		10,000	10,000		10,800
Fair value			615,741		$ 615,741	$ 615,741		617,799
Secured Debt \| Secured Term Loan Facility \| Line of Credit \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Applicable margins (in percent)	2.25%				2.00%	2.00%
Secured Debt \| Secured Term Loan Facility \| Line of Credit \| Base Rate
Debt Instrument [Line Items]
Applicable margins (in percent)	1.25%				1.00%	1.00%
Secured Debt \| New Term Loans \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing		93,600
Secured Debt \| Existing Term Loans \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing		706,400
Revolving Credit Facility \| Secured Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing		$ 450,000							$ 400,000
Restriction on dividend payments, amount			$ 65,000		$ 65,000	$ 65,000
Dividend restriction (in percent)			50.00%		50.00%	50.00%
Interest coverage ratio		2.50
Total long-term debt			$ 85,855		$ 85,855	$ 85,855		91,201
Unused letters of credit			307,700		307,700	307,700
Debt issuance costs			2,600		2,600	2,600		2,900
Fair value			85,787		85,787	$ 85,787		91,173
Revolving Credit Facility \| Secured Revolving Credit Facility \| Line of Credit \| Debt Covenant Period One
Debt Instrument [Line Items]
Leverage ratio		4.50
Revolving Credit Facility \| Secured Revolving Credit Facility \| Line of Credit \| Debt Covenant Period Two
Debt Instrument [Line Items]
Leverage ratio		4.00
Revolving Credit Facility \| Secured Revolving Credit Facility \| Line of Credit \| Minimum
Debt Instrument [Line Items]
Commitment fee for unused capacity, percentage						0.15%
Revolving Credit Facility \| Secured Revolving Credit Facility \| Line of Credit \| Minimum \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Applicable margins (in percent)						1.25%
Revolving Credit Facility \| Secured Revolving Credit Facility \| Line of Credit \| Minimum \| Base Rate
Debt Instrument [Line Items]
Applicable margins (in percent)						0.25%
Revolving Credit Facility \| Secured Revolving Credit Facility \| Line of Credit \| Minimum \| Canadian Overnight Repo Rate Average
Debt Instrument [Line Items]
Applicable margins (in percent)						1.25%
Revolving Credit Facility \| Secured Revolving Credit Facility \| Line of Credit \| Maximum
Debt Instrument [Line Items]
Commitment fee for unused capacity, percentage						0.35%
Revolving Credit Facility \| Secured Revolving Credit Facility \| Line of Credit \| Maximum \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Applicable margins (in percent)						2.25%
Revolving Credit Facility \| Secured Revolving Credit Facility \| Line of Credit \| Maximum \| Base Rate
Debt Instrument [Line Items]
Applicable margins (in percent)						1.25%
Revolving Credit Facility \| Secured Revolving Credit Facility \| Line of Credit \| Maximum \| Canadian Overnight Repo Rate Average
Debt Instrument [Line Items]
Applicable margins (in percent)						2.25%
Letter of Credit \| Secured Term Loan And Revolving Credit Facility
Debt Instrument [Line Items]
Unused letters of credit			$ 68,600		$ 68,600	$ 68,600		$ 68,600