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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
Cash flows provided by (used in) operating activities: |  |  |
Net income |  | $ 76,955 | $ 44,647
Adjustment to reconcile net income to net cash provided by (used in) operating activities: |  |  |
(Increase) decrease in the fair value of derivative instruments | [1] | (7,306) | 7,026
Depreciation and amortization |  | 24,419 | 21,677
Provision for losses on accounts receivable |  | 5,687 | 2,261
Change in deferred taxes |  | 29,641 | 4,451
Changes in operating assets and liabilities: |  |  |
Increase in receivables |  | (86,504) | (40,524)
Decrease in inventories |  | 12,390 | 3,761
(Increase) decrease in other assets |  | (2,938) | 3,443
Increase (decrease) in accounts payable |  | 5,078 | (3,468)
Decrease in customer credit balances |  | (36,503) | (45,757)
Increase in other current and long-term liabilities |  | 9,100 | 25,693
Net cash provided by operating activities |  | 30,019 | 23,210
Cash flows provided by (used in) investing activities: |  |  |
Capital expenditures |  | (8,682) | (9,348)
Proceeds from sales of fixed assets |  | 325 | 171
Purchase of investments | [2] | (34,840) | (11,538)
Acquisitions |  | (21,262) | (14,504)
Net cash used in investing activities |  | (64,459) | (35,219)
Cash flows provided by (used in) financing activities: |  |  |
Revolving credit facility borrowings |  | 160,104 |
Revolving credit facility repayments |  | (118,604) |
Term loan repayments |  | (7,500) | (13,700)
Distributions |  | (19,139) | (18,020)
Unit repurchases |  | (22,538) |
Customer retainage payments |  | (918) | (575)
Payments of debt issue costs |  |  | (60)
Net cash used in financing activities |  | (8,595) | (32,355)
Net decrease in cash, cash equivalents, and restricted cash |  | (43,035) | (44,364)
Cash, cash equivalents, and restricted cash at beginning of period |  | 52,708 | 139,188
Cash, cash equivalents, and restricted cash at end of period |  | $ 9,673 | $ 94,824
[1] | Represents the change in value of unrealized open positions and expired options.
[2] | See Note 2 – Captive insurance collateral

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