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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
Operating activities: |  |
Net income attributable to common shareholders | $ 57,791 | $ 51,662
Noncontrolling interests in subsidiaries' earnings | 151 | 134
Net income before allocation to noncontrolling interests | 57,942 | 51,796
Depreciation and amortization | 12,710 | 14,674
Stock-based compensation expense | 5,379 | 4,007
Defined benefit plans and postretirement expense | 943 | 4,991
Deferred income taxes | 8,200 | 8,544
Cash used for working capital | (98,534) | (103,503)
Defined benefit plans and postretirement contributions | (2,816) | (1,183)
Environmental payments, net of reimbursements | (3,505) | (2,579)
Payments for asbestos-related fees and costs, net of insurance recoveries | (10,493) | (18,235)
Other | 9,771 | (1,319)
Total provided by operating activities | (20,403) | (42,807)
Investing activities: |  |
Capital expenditures | (5,473) | (7,165)
Proceeds from disposition of capital assets | 196 | 172
Total provided by (used for) investing activities | (5,277) | (6,993)
Equity: |  |
Dividends paid | (16,144) | (15,090)
Stock options exercised - net of shares reacquired | 10,389 | 8,426
Excess tax benefit from stock-based compensation | 2,928 | 2,947
Debt: |  |
Net decrease in short-term debt | 0 | (318)
Total used for financing activities | (2,827) | (4,035)
Effect of exchange rates on cash and cash equivalents | (10,801) | 4,606
Increase (decrease) in cash and cash equivalents | (39,308) | (49,229)
Cash and cash equivalents at beginning of period | 423,947 | 245,089
Cash and cash equivalents at end of period | 384,639 | 195,860
Detail of cash used for working capital: |  |
Accounts receivable | (39,425) | (50,351)
Inventories | (13,026) | (3,318)
Other current assets | (1,096) | (1,112)
Accounts payable | (5,287) | (12,306)
Accrued liabilities | (39,618) | (41,043)
U.S. and foreign taxes on income | (82) | 4,627
Total | (98,534) | (103,503)
Supplemental disclosure of cash flow information: |  |
Interest paid | 6,013 | 5,980
Income taxes paid | $ 11,706 | $ 4,985

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