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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Cash flows from operating activities: |  |
Net income | $ 4,503 | $ 14,245
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 15,748 | 15,428
Stock-based compensation expense | 2,526 | 2,525
Changes in deferred taxes | (629) | (7,605)
Gain on sale of assets | (206) | (31)
Unrealized gain on investments | (424) | 0
Changes in working capital items | (12,486) | (12,982)
Increase in other assets | (1,703) | (98)
Decrease in other liabilities | (87) | (1,395)
Increase in pension and postretirement benefits | 3,041 | 1,945
Other, net | (264) | (3,609)
Net cash provided by operating activities | 10,019 | 8,423
Cash flows from investing activities: |  |
Capital expenditures | (14,158) | (9,268)
Proceeds from sale of assets | 849 | 629
Proceeds from sale of subsidiary | 0 | 10,418
Net cash (used in) provided by investing activities | (13,309) | 1,779
Cash flows from financing activities: |  |
Proceeds from long-term debt | 21,634 | 10,928
Payments on long-term debt | (10,366) | (17,925)
Proceeds from the exercise of stock options | 1,798 | 3,727
Purchases of treasury stock | (6,730) | (8,016)
Dividends | (4,914) | (4,302)
Transaction with noncontrolling interest | (4,161) | 0
Net cash used in financing activities | (2,739) | (15,588)
Effect of exchange rate changes on cash | (1,061) | (1,603)
Net change in cash and cash equivalents | $ (7,090) | $ (6,989)

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