| In millions, except per share items | Jun-30-13 | Jun-30-12 | Jun-30-11 | Jun-30-10 | Jun-30-09 | Jun-30-08 | Jun-30-07 | Jun-30-06 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Operating Activities: | | | | | | | | |
| Net income | 15.2 | 28.6 | 9.0 | 7.9 | | 27.0 | 8.3 | 4.5 |
| Adjustments to reconcile net income to net cash from operating activities: | | | | | | | | |
| Depreciation and amortization | 12.1 | 12.6 | 9.7 | 7.5 | | 5.7 | 3.3 | 3.0 |
| Provision for doubtful accounts | -0.2 | 0.7 | 0.9 | 1.0 | | 0.6 | 0.5 | 0.4 |
| Deferred income taxes | 3.1 | 5.2 | 5.2 | 2.0 | | -12.5 | 0.0 | 0.0 |
| Stock compensation expense | 3.9 | 3.5 | 3.7 | 2.3 | | 0.7 | 0.2 | 0.1 |
| Changes in operating assets and liabilities (net of impact of acquisition): | | | | | | | | |
| Accounts receivable | 0.7 | -2.8 | -8.6 | -1.1 | | -14.3 | -4.6 | -8.6 |
| Inventories | 13.5 | 11.5 | -0.5 | -17.1 | | -0.2 | -2.8 | -0.2 |
| Prepaid expenses and other current assets | 0.1 | 1.4 | -2.2 | -0.3 | | 1.4 | 0.1 | -0.3 |
| Other assets | 0.0 | 0.8 | 0.1 | -0.7 | | -0.1 | 0.1 | 0.1 |
| Accounts payable | -12.3 | 4.4 | -6.1 | 11.3 | | 1.5 | 4.3 | 3.5 |
| Deferred revenues | -0.4 | -8.9 | 1.1 | -3.1 | | 0.2 | 1.2 | -3.9 |
| Accrued payroll and related fringe benefits | -3.5 | 0.3 | 0.0 | 1.8 | | | | |
| Other accrued expenses | 0.0 | -1.1 | 0.1 | 1.9 | | -0.5 | 0.0 | 0.0 |
| Other liabilities | -0.1 | 0.2 | -0.7 | -0.1 | | -0.2 | 0.6 | -0.3 |
| Net cash provided by operating activities | 35.9 | 48.2 | 16.5 | 13.6 | | 9.2 | 14.4 | -1.1 |
| |
| Investing Activities: | | | | | | | | |
| Purchases of fixed assets | -11.8 | -14.8 | -9.4 | -8.8 | | | | |
| Acquisition of business | | | -19.1 | -13.9 | | | -19.1 | |
| Net cash used in investing activities | -16.5 | -19.3 | -28.5 | -28.0 | | -5.0 | -36.9 | -2.5 |
| |
| Financing Activities: | | | | | | | | |
| Proceeds from exercise of stock options | 0.6 | 1.3 | 2.0 | 1.1 | | 1.1 | 7.9 | 2.5 |
| Proceeds from exercise of warrants | 1.3 | 0.1 | | | | | | |
| Repayments of debt | -6.1 | -6.1 | -3.1 | -0.6 | | | | |
| Net cash used in financing activities | -4.2 | -4.7 | 16.9 | 13.4 | | 21.6 | 23.6 | 2.5 |
| Effect of foreign currency translation on cash and cash equivalents | -0.1 | 0.0 | 0.2 | -0.2 | | | | |
| Net increase (decrease) in cash and cash equivalents | 15.1 | 24.2 | 5.1 | -1.2 | | 25.8 | 1.0 | -1.1 |
| Cash and cash equivalents at beginning of period | 72.2 | 48.0 | 42.9 | 44.0 | | 25.6 | 24.5 | 25.6 |
| Cash and cash equivalents at end of period | 87.3 | 72.2 | 48.0 | 42.9 | | 51.4 | 25.6 | 24.5 |
| |
| Supplemental Disclosure of Cash Flow Information | | | | | | | | |
| Cash paid for interest | 0.4 | 0.6 | 0.4 | 0.1 | | 0.4 | 0.1 | |
| Cash paid for income taxes | 1.3 | 0.9 | 0.6 | 0.4 | | | | |