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v3.8.0.1

Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Operating Activities: |  |
Net income | $ 12,966 | $ 25,402
Adjustments to reconcile net income to cash provided by operating activities: |  |
Depreciation and amortization | 12,892 | 10,192
Deferred income taxes | (707) | 676
Stock compensation | 2,202 | 2,303
Defined benefit plan expense | 298 | (16)
Provision of doubtful accounts | 41 | (54)
Loss on sale of property and equipment | 85 | 103
Changes in operating assets and liabilities: |  |
Accounts receivable | (9,691) | (13,900)
Inventory | 1,903 | (2,407)
Prepaid expenses and other assets | (4,881) | (6,492)
Accounts payable | 1,290 | 1,094
Accrued liabilities | (10,808) | (38,237)
Net cash provided by (used in) operating activities | 5,590 | (21,336)
Investing Activities: |  |
Final payment for acquisition of subsidiary, net of cash acquired | (15) | (2,000)
Purchases of property and equipment | (8,378) | (13,552)
Net cash used in investing activities | (8,393) | (15,552)
Financing Activities: |  |
Repayments of debt | (35,492) | (8,427)
Cash paid for the cancellation of restricted stock | (659) | (926)
Proceeds from the exercise of Common Stock options | 751 | 881
Net cash used in financing activities | (35,400) | (8,472)
Foreign currency effect | 5,513 | 2,080
Net decrease in cash and cash equivalents | (32,690) | (43,280)
Cash and cash equivalents at beginning of period | 103,172 | 177,187
Cash and cash equivalents at end of period | 70,482 | 133,907
Supplemental disclosure of cash flow information: |  |
Cash paid for taxes | 6,870 | 51,618
Cash paid for interest | 981 | 858
Supplemental disclosure of non-cash transactions: |  |
Common Stock issued to Board of Directors and employees | $ 1,362 | $ 1,125

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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration