Consolidated Statements of Cash Flows (USD $) | 9 Months Ended |
In Thousands, unless otherwise specified | Sep. 30, 2013 | Sep. 30, 2012 |
Cash flows from operating activities: | | |
Net income | $20,813 | $18,735 |
Adjustments to reconcile net income to net cash provided by operating activities: | | |
Depreciation and amortization | 6,388 | 5,563 |
Deferred income taxes | -608 | 1,097 |
Stock-based compensation | 1,215 | 1,106 |
Net change in accrued interest, premiums, and discounts on investments | 424 | 556 |
Other | 26 | |
Net Cash Provided By Used In Operating Activities Before Changes In Operating Capital, Total | 28,258 | 27,057 |
Changes in operating assets and liabilities: | | |
Accounts receivable | -3,129 | -3,356 |
Inventories | -2,709 | 70 |
Prepaid expenses | 1,518 | 823 |
Other non-current assets | -17 | -96 |
Accounts payable and accrued liabilities | 2,525 | -543 |
Accrued income and other taxes | 1,172 | 135 |
Other non-current liabilities | -198 | -723 |
Net Cash Provided by (Used in) Operating Activities, Total | 27,420 | 23,367 |
Cash flows from investing activities: | | |
Property, plant and equipment additions | -4,713 | -7,978 |
Purchase of investments | | -21,545 |
Proceeds from maturities of investments | 7,639 | 11,750 |
Net Cash Provided by (Used in) Investing Activities, Total | 2,926 | -17,773 |
Cash flows from financing activities: | | |
Shares tendered for employees' withholding taxes on stock-based compensation | | -1,065 |
Issuance of treasury stock | | 153 |
Tax benefit related to stock-based compensation | 6 | 929 |
Purchase of treasury stock | -4,086 | -4,756 |
Dividends paid | -3,541 | -3,104 |
Net Cash Provided by (Used in) Financing Activities, Total | -7,621 | -7,843 |
Net change in cash and cash equivalents | 22,725 | -2,249 |
Cash and cash equivalents at beginning of period | 7,999 | 24,590 |
Cash and cash equivalents at end of period | 30,724 | 22,341 |
Cash paid for: | | |
Income taxes | $7,927 | $6,471 |