Long-Term Debt Narrative (Details)						3 Months Ended		9 Months Ended
	Apr. 30, 2026 USD ($)	Jun. 28, 2021 USD ($)	Apr. 06, 2021 USD ($)	Jun. 28, 2020	Jun. 23, 2020 USD ($)	Oct. 03, 2021 USD ($)	Sep. 27, 2020 USD ($)	Oct. 03, 2021 USD ($)	Sep. 27, 2020 USD ($)	Sep. 30, 2021 USD ($)	Jul. 04, 2021	Jun. 27, 2021 USD ($)	Jan. 03, 2021 USD ($)	Apr. 08, 2020 USD ($)	Mar. 25, 2020 USD ($)	Dec. 13, 2019 USD ($)	Apr. 30, 2019 USD ($)
Debt Instrument, Redemption [Line Items]
Debt Instrument, Interest Rate During Period						5.10%	4.40%	4.70%	4.50%
Proceeds from issuance of 5.875% Senior Notes due 2029								$ 300,000,000	$ 0
Letters of Credit Outstanding, Amount						$ 9,000,000		9,000,000
Debt Issuance Costs, Net						6,766,000		6,766,000					$ 7,777,000
Line of Credit Facility, Remaining Borrowing Capacity						158,900,000		158,900,000
Derivative Asset, Notional Amount						220,000,000		220,000,000
Interest rate swap (Note 7)						2,171,000		2,171,000					6,062,000
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months								1,700,000
Payments for Derivative Instrument, Financing Activities						500,000	$ 400,000	1,300,000	400,000
Payments of Financing Costs								5,404,000	2,793,000
Debt Instrument, Redemption Price, Percentage		40.00%
Borrowings under revolving credit facility								47,063,000	$ 150,000,000
Revolving Credit Facility [Member] | Line of Credit
Debt Instrument, Redemption [Line Items]
Line of Credit Facility, Revolving Committed Amount			$ 115,000,000
Senior Secured Credit Facility [Member]
Debt Instrument, Redemption [Line Items]
Line of credit facility, maximum borrowing capacity																	$ 550,000,000
Total Net Leverage Ratio																4.75
First Lien Leverage Ratio																5.75
Debt Instrument, Interest Rate, Stated Percentage											0.915%
Term Loan B Facility [Member]
Debt Instrument, Redemption [Line Items]
Line of credit facility, maximum borrowing capacity																	425,000,000
Long-term Line of Credit						172,938,000		172,938,000					419,375,000
Repayments of Long-term Debt		$ 243,600,000
Standby Letters of Credit [Member]
Debt Instrument, Redemption [Line Items]
Line of credit facility, maximum borrowing capacity																	35,000,000
Revolving Credit Facility [Member]
Debt Instrument, Redemption [Line Items]
Line of credit facility, maximum borrowing capacity																	$ 125,000,000
Letters of Credit Outstanding, Amount																$ 12,000,000
Debt, Percent of Aggregate Amount of Borrowing																35.00%
Long-term Line of Credit						$ 47,063,000		$ 47,063,000					0
Borrowings under revolving credit facility		46,000,000.0
Term Loan B And B-1 Facility [Member]
Debt Instrument, Redemption [Line Items]
Debt, Number of Payments						18		18
Repayment of Debt, Quarterly Payment						$ 1,100,000		$ 1,100,000
First Amendment, Revolving Credit Facility [Member]
Debt Instrument, Redemption [Line Items]
Line of credit facility, maximum borrowing capacity																$ 115,000,000
Line of Credit Facility, Reduction of Borrowing Capacity																$ 10,000,000
Second Amendment, Revolving Credit Facility [Member]
Debt Instrument, Redemption [Line Items]
Line of credit facility, maximum borrowing capacity															$ 130,400,000
Line of Credit Facility, Increase of Borrowing Capacity															$ 15,400,000
Third Amendment, Revolving Credit Facility [Member]
Debt Instrument, Redemption [Line Items]
Line of credit facility, maximum borrowing capacity			175,000,000											$ 145,800,000
Line of Credit Facility, Increase of Borrowing Capacity			$ 29,200,000											$ 15,400,000
Term Loan B-1 Facility [Member]
Debt Instrument, Redemption [Line Items]
Line of Credit Facility, Additional Borrowing Capacity					$ 75,000,000
Proceeds from issuance of 5.875% Senior Notes due 2029								71,300,000
Long-term Line of Credit						0		0					$ 73,875,000
Debt Instrument, Annual Amortization Rate, Percentage Of Principal Amount					1.00%
Repayments of Long-term Debt		$ 74,400,000
Seventh Amendment, Revolving Credit Facility
Debt Instrument, Redemption [Line Items]
Line of credit facility, maximum borrowing capacity						$ 180,000,000		$ 180,000,000		$ 215,000,000		$ 135,000,000
Total Net Leverage Ratio						4.00		4.00				3.00
Line of Credit Facility, Initial Available Amount						$ 50,000,000		$ 50,000,000				$ 27,000,000
Line Of Credit Facility, Percentage Of Outstanding Terms Loans Eligible To Be Acquired						0.20		0.20
Line Of Credit Facility, Percentage Of Consolidated EBITDA						0.40		0.40				0.20
Senior Unsecured Notes Due 2029 | Senior Notes
Debt Instrument, Redemption [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						5.875%		5.875%
Debt Instrument, Face Amount						$ 300,000,000		$ 300,000,000
Eighth Amendment, Revolving Credit Facility
Debt Instrument, Redemption [Line Items]
Line of Credit Facility, Additional Borrowing Capacity										$ 40,000,000
First Lien Leverage Ratio																1.24
Base Rate [Member] | Revolving Credit Facility [Member] | Line of Credit
Debt Instrument, Redemption [Line Items]
Debt Instrument, Basis Spread on Variable Rate			2.25%
Base Rate [Member] | Term Loan B Facility [Member]
Debt Instrument, Redemption [Line Items]
Debt Instrument, Basis Spread on Variable Rate				2.25%
Base Rate [Member] | Revolving Credit Facility [Member]
Debt Instrument, Redemption [Line Items]
Debt Instrument, Basis Spread on Variable Rate				2.50%
Base Rate [Member] | Term Loan B-1 Facility [Member]
Debt Instrument, Redemption [Line Items]
Debt Instrument, Basis Spread on Variable Rate					5.25%
Debt Instrument, Interest Rate Floor					1.00%
London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | Line of Credit
Debt Instrument, Redemption [Line Items]
Debt Instrument, Basis Spread on Variable Rate			3.25%
London Interbank Offered Rate (LIBOR) [Member] | Term Loan B Facility [Member]
Debt Instrument, Redemption [Line Items]
Debt Instrument, Basis Spread on Variable Rate				3.25%
London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]
Debt Instrument, Redemption [Line Items]
Debt Instrument, Basis Spread on Variable Rate				3.50%
London Interbank Offered Rate (LIBOR) [Member] | Term Loan B-1 Facility [Member]
Debt Instrument, Redemption [Line Items]
Debt Instrument, Basis Spread on Variable Rate					6.25%
Forecast [Member] | Term Loan B And B-1 Facility [Member]
Debt Instrument, Redemption [Line Items]
Repayments of Debt	$ 153,800,000