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Debt-Textuals (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
May 26, 2019
May 27, 2018
May 26, 2019
May 27, 2018
Debt Instruments [Line Items]        
Weighted-average interest rate 5.32% 5.19% 5.27% 5.00%
Senior revolving credit facility [Member]        
Debt Instruments [Line Items]        
Unused availability $ 805.6   $ 805.6  
Total availability 837.0   837.0  
Letters of credit and other credit usage $ 31.4   $ 31.4