| In millions, except per share items | Aug-26-23 | May-27-23 | Nov-26-22 | Aug-27-22 | May-28-22 | Feb-26-22 | Nov-27-21 | Aug-28-21 |
| | 10-Q | 10-Q | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Operating Activities | | | | | | | | |
| Net earnings | | | 67.6 | 54.9 | 15.4 | 3.5 | -22.6 | 3.6 |
| |
| Adjustments to reconcile net earnings to net cash from operating activities: | | | | | | | | |
| Depreciation and amortization | | | 43.6 | 45.6 | 47.9 | 50.0 | 51.8 | 52.0 |
| Share-based compensation | | | 7.4 | 6.4 | 6.2 | 6.3 | 7.2 | 8.2 |
| Deferred income taxes | | | -0.2 | 3.5 | -4.5 | -8.0 | -16.9 | -19.0 |
| Gain on disposal of assets | | | -21.2 | -20.3 | -21.2 | -21.0 | -1.9 | -21.4 |
| Proceeds from New Markets Tax Credit transaction, net of deferred costs | | | | | 18.4 | | | |
| Settlement of New Markets Tax Credit transaction | | | | | -19.5 | | | |
| Noncash lease expense | | | 12.0 | 12.4 | 12.4 | 12.4 | 12.0 | 12.4 |
| Other, net | | | 1.6 | 2.0 | -0.8 | -1.3 | 1.0 | -1.5 |
| Changes in operating assets and liabilities: | | | | | | | | |
| Receivables | | | -63.1 | -79.7 | -15.4 | 7.5 | 3.9 | 5.9 |
| Inventories | | | -10.9 | -21.7 | -27.7 | -7.7 | -1.4 | -5.9 |
| Accounts payable and accrued expenses | | | -17.6 | 2.5 | 7.2 | 3.3 | 16.8 | -6.6 |
| Refundable and accrued income taxes | | | -8.6 | -11.5 | 13.8 | 11.0 | -4.5 | 6.4 |
| Operating lease liability | | | -12.5 | -13.2 | -12.9 | -12.7 | -11.7 | -11.9 |
| Prepaid expenses and other current assets | | | 1.8 | -3.8 | -1.7 | 1.3 | -7.1 | 1.4 |
| Net cash provided (used) by operating activities | | | 65.3 | 42.9 | 63.1 | 100.5 | 107.6 | 111.4 |
| |
| Investing Activities | | | | | | | | |
| Capital expenditures | | | -26.9 | -21.0 | -22.3 | -21.8 | -22.1 | -22.1 |
| Proceeds from sales of property, plant and equipment | | | 34.5 | 33.4 | 34.2 | 30.6 | 2.7 | 26.4 |
| Purchases of marketable securities | | | | | | -1.0 | | |
| Net cash used by investing activities | | | 8.9 | 13.4 | 12.5 | 9.3 | -19.3 | 4.3 |
| |
| Financing Activities | | | | | | | | |
| Payments on line of credit | | | -239.0 | -171.0 | -62.0 | | | |
| Payments on debt issue costs | | | -0.8 | -0.7 | | | | |
| Repurchase and retirement of common stock | | | | | -220.4 | -158.7 | -82.8 | -60.0 |
| Dividends paid | | | -19.6 | -19.8 | -20.0 | -20.3 | -20.1 | -19.9 |
| Other, net | | | -3.1 | -3.0 | -2.6 | -2.0 | -3.3 | -4.3 |
| Net cash (used) provided by financing activities | | | -128.2 | -87.9 | -88.7 | -120.6 | -66.2 | -74.0 |
| |
| Noncash Activity | | | | | | | | |
| Capital expenditures in accounts payable | | | 2.8 | 4.0 | 2.0 | 2.3 | 1.5 | 0.8 |