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Condensed Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Cash flows from operating activities: |  |
Net earnings | $ 8,894 | $ 10,888
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |
Depreciation and amortization | 2,631 | 2,621
Stock compensation expense | 988 | 1,076
Deferred income taxes | 55 | (623)
Foreign currency transaction loss | 36 | 48
Changes in assets and liabilities |  |
Accounts receivable | (4,387) | (3,983)
Inventories | (50) | (3,260)
Prepaid expenses and other current assets | 526 | 782
Accounts payable and accrued expenses | 400 | (3,715)
Income taxes | 1,123 | 550
Other | 24 | (31)
Net cash provided by operating activities | 10,240 | 4,353
Cash flows from investing activities: |  |
Deposit held in escrow | (5,500) | 0
Capital expenditures | (1,138) | (3,400)
Intangible assets acquired | (27) | (33)
Net cash used in investing activities | (6,665) | (3,433)
Cash flows from financing activities: |  |
Repayments of short-term obligations | (89) | (89)
Proceeds from stock options exercised | 1,327 | 2,097
Excess tax benefits from stock compensation | 1,689 | 1,491
Dividends paid | (7,856) | 0
Purchase of treasury stock | (33) | (27)
Net cash (used in) provided by financing activities | (4,962) | 3,472
Effect of exchange rate changes on cash | (30) | (39)
(Decrease) increase in cash and cash equivalents | (1,417) | 4,353
Cash and cash equivalents beginning of period | 208,747 | 144,737
Cash and cash equivalents end of period | $ 207,330 | $ 149,090

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