| In millions, except per share items | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 | Dec-31-20 | Sep-30-20 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Cash flows from operating activities: | | | | | | | | |
| Net income | | | | | | | | |
| Adjustments to reconcile net income to net cash from operating activities: | | | | | | | | |
| Depreciation and amortization | 9.1 | 9.5 | 9.3 | 9.8 | 9.3 | 9.4 | 16.9 | 14.3 |
| Amortization of loan fees and debt premium | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 |
| Accretion on discounted liabilities | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.6 |
| Unit-based compensation expense | | 0.7 | 0.7 | 0.8 | | 1.0 | 1.7 | 1.0 |
| Change in contingent consideration | | | | | | | | |
| Changes in operating assets and liabilities: | | | | | | | | |
| Accounts receivable - affiliates | | 9.9 | 1.5 | -3.0 | | -5.8 | 2.7 | -0.8 |
| Accounts receivable | | 0.5 | 0.5 | -0.9 | | 7.4 | -2.0 | -3.3 |
| Prepaids and other current assets | | 0.2 | 0.9 | -0.2 | | 0.7 | 1.8 | 0.4 |
| Accounts payable - affiliates | | 0.3 | 0.1 | -1.6 | | 0.7 | -1.6 | -0.7 |
| Accounts payable | | 1.5 | 1.3 | -0.7 | | 1.4 | -0.4 | 0.7 |
| Accrued liabilities | | 7.3 | -10.2 | 11.1 | | 1.4 | -4.3 | 12.5 |
| Deferred revenue | | 0.4 | -0.4 | 0.2 | | 0.3 | -3.4 | 3.0 |
| Other assets and liabilities | | 0.3 | 0.0 | -0.1 | | -0.1 | 2.4 | -2.7 |
| Net cash provided by operating activities | 9.6 | 67.3 | 44.1 | 53.4 | 9.7 | 54.8 | 45.2 | 61.7 |
| |
| Cash flows from investing activities: | | | | | | | | |
| Expenditures for property, plant and equipment | | -1.4 | 6.9 | -3.4 | | -1.3 | 9.6 | -1.8 |
| Net cash used in investing activities | | -1.4 | 5.5 | -3.4 | | -1.3 | -2.7 | -1.8 |
| |
| Cash flows from financing activities: | | | | | | | | |
| Distributions to unitholders | | -18.8 | -18.8 | -18.8 | | -18.7 | -18.7 | -18.7 |
| Repayment of revolving credit facility | | -25.0 | -25.0 | -35.0 | | -15.0 | -13.0 | -35.0 |
| Payment of contingent consideration | | -2.7 | | | | -12.2 | | |
| Deferred financing costs and other | | | -0.5 | 0.0 | | | -2.4 | 0.0 |
| Net cash used in financing activities | 18.8 | -46.5 | -44.3 | -53.8 | | -45.9 | -34.1 | -53.7 |
| Net change in cash and cash equivalents | | 19.4 | 5.3 | -3.8 | | 7.7 | 8.4 | 6.3 |
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| Supplemental disclosure of non-cash investing and financing activities: | | | | | | | | |
| Accrued and unpaid capital expenditures | | 0.8 | 0.3 | -2.1 | | 3.1 | 0.1 | 0.8 |
| Contribution of net assets from PBF LLC | | | 0.1 | | | | | |