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DEBT - New Senior Secured Term Loan Facility - Narrative (Details) - USD ($)
12 Months Ended
Sep. 29, 2025
Mar. 15, 2023
May 26, 2021
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Debt Instrument [Line Items]            
Loss on extinguishment of debt       $ 795,000 $ 0 $ 0
Secured Debt | Senior Term Loan Facility Due May 26, 2028            
Debt Instrument [Line Items]            
Debt instrument, face amount     $ 400,000,000      
Annual amortization rate (as a percent)     1.00%      
Loss on extinguishment of debt $ 795,000          
Secured Debt | Senior Term Loan Facility Due May 26, 2028 | LIBOR            
Debt Instrument [Line Items]            
Debt instrument, variable rate floor     0.50%      
Debt instrument, basis spread on variable rate     2.00%      
Secured Debt | Senior Term Loan Facility Due May 26, 2028 | Alternate Base Rate            
Debt Instrument [Line Items]            
Debt instrument, variable rate floor     1.50%      
Debt instrument, basis spread on variable rate     1.00%      
Secured Debt | Senior Term Loan Facility Due May 26, 2028 | Secured Overnight Financing Rate SOFR            
Debt Instrument [Line Items]            
Debt instrument, basis spread on variable rate   2.00%        
Secured Debt | Senior Term Loan Facility Due May 26, 2028 | Secured Overnight Financing Rate SOFR | Debt Instrument, Interest Period One            
Debt Instrument [Line Items]            
Credit spread adjustment   0.11448%        
Secured Debt | Senior Term Loan Facility Due May 26, 2028 | Secured Overnight Financing Rate SOFR | Debt Instrument, Interest Period Two            
Debt Instrument [Line Items]            
Credit spread adjustment   0.26161%        
Secured Debt | Senior Term Loan Facility Due May 26, 2028 | Secured Overnight Financing Rate SOFR | Debt Instrument, Interest Period Three            
Debt Instrument [Line Items]            
Credit spread adjustment   0.42826%        
Secured Debt | Senior Term Loan Facility Due September 29, 2032            
Debt Instrument [Line Items]            
Debt instrument, face amount $ 373,000,000          
Annual amortization rate (as a percent) 1.00%          
Debt instrument, extended term, period prior to maturity date 91 days          
Line of credit facility, term, outstanding obligations threshold amount $ 100,000,000          
Secured Debt | Senior Term Loan Facility Due September 29, 2032 | Alternate Base Rate            
Debt Instrument [Line Items]            
Debt instrument, variable rate floor 1.50%          
Debt instrument, basis spread on variable rate 1.00%          
Secured Debt | Senior Term Loan Facility Due September 29, 2032 | Term Secured Overnight Financing Rate (SOFR)            
Debt Instrument [Line Items]            
Debt instrument, variable rate floor 0.00%          
Debt instrument, basis spread on variable rate 2.00%