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Condensed Consolidated Statements of Cash Flows (USD $)
In Thousands
9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Cash flows from operating activities  
Net income$ 45,951$ 33,085
Adjustments to reconcile net income to net cash provided by operating activities:  
Gain on sale of assets1(4,813)
Loss on sale of discontinued operation 657
Depreciation and amortization14,98817,746
Impairment loss on assets held for sale1,09416,916
Deferred income taxes(1,049)4,811
Noncash compensation related to stock plans3,8121,278
Loss (income) in equity method investment(4,389)429
Excess tax benefit of options exercised4(10)
Provision for (recovery of) doubtful accounts249(5)
Provision for excess and obsolete inventory1895,872
Accrued interest earned from related party(58) 
Changes in operating assets and liabilities:  
Trade accounts receivable(30,174)(28,433)
Inventories(19,967)(12,248)
Trade accounts payable(4,211)(3,680)
Income taxes payable5,755995
Accrued profit sharing trust contributions(2,017)(2,741)
Accrued cash profit sharing and commissions9,0686,147
Other current assets(220)(204)
Accrued liabilities3,8564,702
Long-term liabilities(302)(80)
Accrued workers' compensation771(343)
Other noncurrent assets729(226)
Net cash provided by operating activities24,08039,855
Cash flows from investing activities  
Capital expenditures(23,515)(25,131)
Proceeds from sale of capital assets3,20514,837
Proceeds from sale of discontinued operations 27,706
Loans made to related parties (1,798)
Loans repaid by related parties55250
Net cash provided by (used in) investing activities(19,758)15,664
Cash flows from financing activities  
Repurchase of common stock(53,208) 
Issuance of common stock154978
Excess tax benefit of options exercised(4)10
Dividends paid(17,309)(14,821)
Net cash used in financing activities(70,367)(13,833)
Effect of exchange rate changes on cash and cash equivalents(3,842)(221)
Net increase (decrease) in cash and cash equivalents(69,887)41,465
Cash and cash equivalents at beginning of period335,049250,381
Cash and cash equivalents at end of period265,162291,846
Noncash activity during the period  
Noncash capital expenditures3,251165
Dividends declared but not paid5,8054,942
Issuance of Company's common stock for compensation$ 204$ 301