| In millions, except per share items | Jul-31-23 | Apr-30-23 | Jan-31-23 | Oct-31-22 | Jul-31-22 | Apr-30-22 | Jan-31-22 | Oct-31-21 |
| | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Cash flows from operating activities | | | | | | | | |
| Net income | 69.3 | 56.9 | 55.7 | 58.7 | 60.2 | 62.2 | 55.7 | 59.8 |
| |
| Adjustments to reconcile net income to net cash from operating activities: | | | | | | | | |
| Deferred income taxes | -0.3 | | | | | | | |
| Depreciation and amortization | 27.8 | 26.6 | 25.7 | 24.4 | 23.4 | 22.3 | 21.5 | 21.1 |
| Loss (gain) on disposal of assets | 0.2 | -0.5 | -0.4 | -0.5 | -0.5 | 0.0 | -0.1 | 0.0 |
| Change in fair value of derivatives | 0.0 | 3.2 | 1.3 | -1.6 | -1.7 | -3.0 | -4.0 | -4.7 |
| Amortization of debt issuance costs | 1.0 | 1.2 | 1.4 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 |
| Equity-based compensation | 6.3 | 6.0 | 5.6 | 5.2 | 5.5 | 5.5 | 13.1 | 12.0 |
| Change in operating assets and liabilities: | | | | | | | | |
| Accounts receivable trade, net | -11.7 | -4.2 | -5.3 | -10.0 | -3.8 | 4.9 | -13.3 | -6.4 |
| Inventories | -33.9 | -33.8 | -30.5 | -23.8 | -18.8 | -24.3 | -25.3 | -35.2 |
| Prepaid expenses and other assets | 2.3 | -3.4 | -2.9 | -3.3 | -3.3 | 1.0 | 0.8 | -2.8 |
| Other assets | -0.9 | 0.8 | 0.9 | 1.4 | 1.3 | -0.1 | -0.4 | -0.4 |
| Accounts payable | 1.5 | -2.1 | 8.4 | -6.3 | -0.3 | -2.7 | 4.1 | 39.0 |
| Accrued expenses | 7.0 | 6.8 | 1.9 | 15.8 | 7.7 | 0.5 | 5.1 | 0.8 |
| Accrued compensation | 3.6 | 1.0 | -3.5 | -1.6 | -4.0 | -2.7 | 4.1 | 3.6 |
| Deferred revenue | 0.0 | 9.6 | 3.1 | 8.1 | -2.8 | 2.8 | -7.1 | -5.4 |
| Other current and non-current liabilities | -2.8 | -3.7 | -1.5 | -3.8 | -3.9 | -0.4 | -2.0 | -1.4 |
| Net cash provided by operating activities | 70.1 | 72.7 | 68.1 | 72.5 | 68.8 | 70.6 | 57.0 | 84.5 |
| |
| Cash flows from investing activities | | | | | | | | |
| Purchases of property and equipment | -72.8 | -34.0 | -33.7 | -45.2 | -44.6 | -27.0 | -27.2 | -11.9 |
| Net cash used in investing activities | -72.6 | -33.0 | -32.8 | -44.3 | -43.7 | -27.0 | -27.2 | -11.8 |
| |
| Cash flows from financing activities | | | | | | | | |
| Payments under line of credit | -121.0 | | -165.0 | -90.0 | -98.0 | -95.0 | -271.5 | -270.0 |
| Borrowings under line of credit | 24.0 | | 30.0 | 74.0 | 84.0 | 71.0 | 169.0 | 133.5 |
| Issuance of long-term debt | | | 225.8 | | | | | |
| Payments of long-term debt | -120.2 | -120.5 | -120.8 | -11.3 | -11.3 | -49.9 | -50.4 | -51.1 |
| Proceeds from employee stock purchase plan | 0.4 | | 0.2 | | | | | |
| Taxes paid related to net share settlement of equity awards | -0.7 | -0.7 | | | -0.8 | -0.8 | | |
| Debt issuance costs | -2.7 | | -2.4 | | | | | |
| Payments of deferred offering costs | | | | | | | -6.9 | |
| Net cash provided by (used in) financing activities | 5.7 | -12.3 | -32.8 | -28.1 | -26.2 | -40.0 | -34.3 | -68.8 |
| |
| Supplemental cash flow information | | | | | | | | |
| Interest paid, net of amount capitalized | 10.4 | 5.9 | 4.3 | 5.7 | 5.2 | 3.7 | 2.5 | 1.2 |
| Income taxes paid | 11.6 | 14.7 | 20.3 | | 17.7 | 13.9 | 8.0 | |
| |
| Non-cash investing activities | | | | | | | | |
| Property and equipment additions in accounts payable and accrued expenses | 3.4 | 1.5 | 2.0 | 3.7 | 1.7 | 1.2 | 1.3 | 2.3 |