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CONSOLIDATED STATEMENTS OF Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net earnings | $ 60,849 | $ 52,004 | $ 43,938
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |  |
Depreciation | 20,050 | 19,925 | 19,229
Impairment of equity method investment | 975 | 850 |
Loss from equity method investment | 967 | 1,019 | 194
Amortization of marketable security premiums | 3,035 | 1,770 | 1,267
Changes in operating assets and liabilities: |  |  |
Accounts receivable | 1,330 | 272 | (5,448)
Other receivables | 253 | (2,720) | 3,963
Inventories | 503 | 9,588 | (15,631)
Prepaid expenses and other assets | 14,922 | 11,295 | 5,106
Accounts payable and accrued liabilities | 418 | 199 | 84
Income taxes payable and deferred | 68 | 1,369 | (5,772)
Postretirement health care and life insurance benefits | 2,861 | 2,829 | 2,022
Deferred compensation and other liabilities | 3,592 | 3,018 | 2,146
Other | (14) | 501 | (708)
Net cash provided by operating activities | 109,809 | 101,919 | 50,390
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Capital expenditures | (15,752) | (8,886) | (16,351)
Net purchases of trading securities | (5,500) | (2,994) | (3,234)
Purchase of available for sale securities | (66,324) | (39,016) | (39,252)
Sale and maturity of available for sale securities | 39,613 | 10,461 | 7,680
Net cash used in investing activities | (47,963) | (40,435) | (51,157)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Shares purchased and retired | (23,143) | (23,803) | (18,190)
Dividends paid in cash | (14,282) | (52,431) | (18,407)
Net cash used in financing activities | (37,425) | (76,234) | (36,597)
Increase (decrease) in cash and cash equivalents | 24,421 | (14,750) | (37,364)
Cash and cash equivalents at beginning of year | 63,862 | 78,612 | 115,976
Cash and cash equivalents at end of year | 88,283 | 63,862 | 78,612
Supplemental cash flow information: |  |  |
Income taxes paid | 24,225 | 21,312 | 16,906
Interest paid | 21 | 31 | 38
Stock dividend issued | $ 48,925 | $ 38,236 | $ 47,053

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