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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Cash Flows from Operating Activities: |  |
Net income | $ 39,978 | $ 43,813
Adjustments to reconcile net income to net cash provided by operations: |  |
Depreciation | 34,934 | 32,205
Amortization | 1,237 | 349
Stock option based compensation | 6,534 | 5,774
(Recovery)/Provision for doubtful accounts | (311) | (721)
Deferred income taxes | (4,668) | (252)
Defined benefit plan expense | 5,123 | 3,585
Equity in results of affiliates in excess of cash distributions received | 262 | 131
Changes in balance sheet items, excluding effects from foreign currency adjustments: |  |
Accounts receivable | (52,022) | (42,498)
Inventories | (9,720) | (8,818)
Prepaid and other current assets | (8,947) | 265
Accounts payable and accrued liabilities | 5,528 | 5,015
Income taxes payable | 4,509 | 4,033
Retirement and deferred compensation plans | (3,118) | (6,338)
Other changes, net | 6,790 | (22,885)
Net Cash Provided/(Used) by Operations | 26,109 | 13,658
Cash Flows from Investing Activities: |  |
Capital expenditures | (34,832) | (42,496)
Disposition of property and equipment | 2,162 | 771
Investment in unconsolidated affiliate |  | (279)
Notes receivable, net |  | 20
Net Cash Used by Investing Activities | (32,670) | (41,984)
Cash Flows from Financing Activities: |  |
Proceeds/(Repayments) from notes payable | 14,754 | (31,967)
Repayments of long-term obligations | (585) | (761)
Dividends paid | (16,493) | (14,530)
Credit facility costs | (497) | (1,121)
Proceeds from stock option exercises | 19,540 | 19,674
Purchase of treasury stock | (10,768) | (10,096)
Excess tax benefit from exercise of stock options | 2,403 | 6,433
Net Cash Provided/(Used) by Financing Activities | 8,354 | (32,368)
Effect of Exchange Rate Changes on Cash | (6,444) | 12,883
Net Decrease in Cash and Equivalents | (4,651) | (47,811)
Cash and Equivalents at Beginning of Period | 229,755 | 377,616
Cash and Equivalents at End of Period | $ 225,104 | $ 329,805

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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 + Details
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