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Note 7 - Long-term Debt (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Sep. 01, 2022
May 17, 2019
May 17, 2018
Dec. 30, 2023
Jan. 01, 2022
The 2022 Credit Agreement [Member[ | Other (Expense) Income, Net [Member]          
Amortization of Debt Issuance Costs and Discounts, Total $ 0.7        
The 2022 Credit Agreement [Member[ | Revolving Credit Facility [Member]          
Line of Credit Facility, Maximum Borrowing Capacity 350.0        
Proceeds from Lines of Credit, Total 150.0        
Debt Instrument, Fee Amount 1.4        
Debt Issuance Costs, Gross 0.9        
Repayment of Long-term Debt, Discretionary       $ 130.0  
Credit Agreement, May 17, 2019 [Member] | Term Loan [Member]          
Repayments of Fees and Accrued Interest 1.9        
Extinguishment of Debt and Accrued Interest, Amount $ 150.5        
Credit Agreement, May 17, 2019 [Member] | Revolving Credit Facility [Member]          
Line of Credit Facility, Commitment Fee Percentage         0.20%
Credit Agreement, May 17, 2019 [Member] | Revolving Credit Facility [Member] | Minimum [Member]          
Debt Instrument, Basis Spread on Variable Rate   0.25%      
Credit Agreement, May 17, 2019 [Member] | Revolving Credit Facility [Member] | Minimum [Member] | Term Secured Overnight Financing Rate [Member]          
Debt Instrument, Basis Spread on Variable Rate   1.25%      
Credit Agreement, May 17, 2019 [Member] | Revolving Credit Facility [Member] | Maximum [Member]          
Debt Instrument, Basis Spread on Variable Rate     1.00%    
Credit Agreement, May 17, 2019 [Member] | Revolving Credit Facility [Member] | Maximum [Member] | Term Secured Overnight Financing Rate [Member]          
Debt Instrument, Basis Spread on Variable Rate   2.00%