Long-Term Debt - (Narrative) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Jun. 24, 2020	Dec. 28, 2022	Dec. 29, 2021	Dec. 30, 2020	Dec. 25, 2019
Line of Credit Facility [Line Items]
Revolving loans maturity, amount		$ 261,500,000
Shareholders’ deficit		(37,116,000)	$ (65,265,000)	$ (130,446,000)	$ (138,064,000)
Derivatives
Line of Credit Facility [Line Items]
Reclassification		29,000	166,000	783,000
Derivatives
Line of Credit Facility [Line Items]
Reclassification		1,310,000	4,023,000	3,160,000
Shareholders’ deficit		(42,142,000)	(53,570,000)	(59,427,000)	$ (33,179,000)
Derivatives
Line of Credit Facility [Line Items]
Reclassification	$ 7,400,000			7,354,000
Effective Interest Rate Swaps
Line of Credit Facility [Line Items]
Derivative asset		7,300,000
Expect reclassification within next twelve months		3,300,000
Dedesignated Interest Rate Swaps Member | Other Nonoperating Income (Expense)
Line of Credit Facility [Line Items]
Unrealized gain (loss) on derivatives		55,000,000	12,800,000
Dedesignated Interest Rate Swaps Member | Derivatives
Line of Credit Facility [Line Items]
Expect reclassification within next twelve months		300,000
Reclassification		100,000	$ 200,000
Dedesignated Interest Rate Swaps Member | Derivatives
Line of Credit Facility [Line Items]
Shareholders’ deficit		64,200,000
Dedesignated Interest Rate Swaps Member | Derivatives
Line of Credit Facility [Line Items]
Derivative asset		12,800,000
Reclassification				$ 7,400,000
Derivative asset, current		100,000
Derivative asset, noncurrent		$ 12,700,000
Senior Secured Revolver
Line of Credit Facility [Line Items]
Debt instrument, term		5 years
Maximum borrowing capacity		$ 400,000,000
Line of credit facility, accordion feature, increase limit		450,000,000
Outstanding amount under credit facility		261,500,000
Availability under the revolving facility		$ 126,200,000
Commitment fee, percent		0.35%
Weighted-average interest rate		6.37%	2.09%
Senior Secured Revolver | Interest Rate Swaps, Net
Line of Credit Facility [Line Items]
Weighted-average interest rate		5.31%	4.44%
Senior Secured Revolver | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate debt		2.25%
Letter of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity		$ 25,000,000
Outstanding amount under letter of credit		$ 12,300,000