| In millions, except per share items | Feb-29-20 | Nov-30-19 | Aug-31-19 | May-31-19 | Feb-28-19 | Nov-30-18 | Aug-31-18 | May-31-18 |
| | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Operating Activities | | | | | | | | |
| Net income (loss) | -3.9 | -23.7 | 0.3 | 5.6 | -4.6 | 7.0 | -2.0 | 8.4 |
| |
| Adjustments to reconcile net income to net cash (used in) from operating activities: | | | | | | | | |
| Depreciation and amortization | 7.7 | 7.9 | 7.5 | 7.9 | 8.0 | 7.9 | 7.8 | 7.3 |
| Amortization and write-off of debt issuance costs | 0.4 | 0.6 | 0.4 | 0.3 | 0.4 | 0.3 | 0.4 | 0.3 |
| Non-cash stock compensation expense | 0.6 | -0.8 | 1.0 | 1.5 | 0.3 | 0.7 | 0.3 | 1.3 |
| Provision for uncollectible accounts | | 0.4 | 0.4 | | 0.1 | 0.2 | | 0.4 |
| Provision for obsolete inventories | 0.6 | 0.4 | -0.8 | 0.1 | 0.6 | -0.3 | 0.6 | 0.1 |
| Deferred income taxes | -0.1 | -1.1 | -0.3 | -0.2 | -0.4 | -7.2 | -0.1 | -0.7 |
| Operating Lease, Payments | -1.2 | | | | | | | |
| Changes in operating assets and liabilities: | | | | | | | | |
| Accounts receivable | -1.3 | 13.1 | -8.1 | 16.8 | -4.0 | 0.5 | -11.3 | 6.9 |
| Inventories | 0.1 | -3.4 | 5.0 | 5.7 | -11.5 | 7.2 | -2.3 | 6.1 |
| Other current assets | -1.6 | 2.6 | -3.9 | -2.4 | 3.9 | 10.2 | -0.1 | -7.4 |
| Current liabilities | -9.9 | -2.7 | -11.7 | 5.7 | 2.2 | -2.1 | -2.2 | 10.1 |
| Other non-current assets | -3.8 | -12.7 | -0.8 | -3.8 | -1.3 | -3.7 | 8.8 | -13.0 |
| Other non-current liabilities | -0.7 | 14.3 | -2.6 | -0.7 | -2.3 | -0.8 | -4.4 | 2.4 |
| Net Cash Provided By (Used In) Operating Activities | -7.3 | 20.9 | 8.3 | 3.5 | -8.3 | 19.6 | 21.5 | 23.6 |
| |
| Investing Activities | | | | | | | | |
| Capital expenditures | -4.0 | 25.9 | -7.2 | -11.3 | -7.4 | 12.8 | -5.7 | -3.9 |
| Business acquisition | | -5.6 | | | 2.8 | -23.6 | 0.4 | |
| Net Cash Provided By (Used In) Investing Activities | -4.0 | -7.1 | -7.2 | -5.8 | -10.2 | -32.7 | -6.1 | -3.9 |
| |
| Financing Activities | | | | | | | | |
| Proceeds from borrowings | 108.7 | 125.1 | 137.9 | 114.5 | 15.2 | 22.0 | | 2.3 |
| Repayment of debt obligations | -106.7 | -125.5 | -135.5 | -111.8 | -17.2 | -20.8 | -1.0 | -3.4 |
| Finance Lease, Principal Payments | 0.2 | | | | | | | |
| Employee tax withholdings related to redemption of common shares | -0.2 | 0.4 | -0.2 | | -0.3 | | | |
| Net Cash Provided By (Used In) Financing Activities | 1.6 | | 2.2 | 2.7 | -2.3 | 1.9 | -1.0 | -2.1 |
| Effect of exchange rate changes on cash and cash equivalents | -0.3 | 0.3 | -0.2 | -0.8 | 0.8 | -0.9 | -1.1 | -0.8 |
| Net Increase (Decrease) In Cash And Cash Equivalents | -10.0 | 14.1 | 3.1 | -0.4 | -20.0 | -12.1 | 13.3 | 16.8 |
| Cash and cash equivalents at beginning of period | 50.9 | | | | 54.1 | | | |
| Cash and Cash Equivalents at End of Period | 40.9 | 14.1 | 3.1 | -0.4 | 34.1 | -12.1 | 13.3 | 16.8 |
| |
| Supplemental Cash Flows Information | | | | | | | | |
| Cash paid for: | | | | | | | | |
| Interest | 4.2 | | 4.7 | 4.8 | 4.7 | | 4.3 | 3.8 |
| Income taxes | 0.4 | | 2.7 | 3.2 | 0.3 | | 2.4 | 2.8 |