| Net income | -19.16M |
| Depreciation, depletion and amortization | |
| Deferred income taxes | |
| Share-based compensation | 2.75M |
| Share-based compensation excess tax benefit | |
| Equity in earnings of affiliates | |
| Dividends received from affiliates | 3.01M |
| Gain from disposal of property and equipment | -3.05M |
| Increase in customer receivables | 4.5M |
| (Increase) decrease in costs and estimated earnings in excess of billings on uncompleted contracts | |
| Increase in inventories | 662K |
| Decrease (increase) in other current assets | |
| (Decrease) increase in accounts payable and accrued expenses | -5.64M |
| (Decrease) increase in billings in excess of costs and estimated earnings on uncompleted contracts | 3.12M |
| Other, net | -225K |
| Cash (used in) provided by operating activities | 11.77M |
| Additions to property and equipment | -14.97M |
| Additions to gas transportation facilities and equipment | |
| Additions to oil and gas properties | |
| Additions to mineral interests in oil and gas properties | |
| Acquisition of businesses, net of cash acquired | |
| Investment in foreign affiliate | |
| Payment of cash purchase price adjustments on prior year acquisitions | |
| Proceeds from sale of business | |
| Proceeds from disposal of property and equipment | 8.52M |
| Deposit of cash into restricted accounts | |
| Release of cash from restricted accounts | |
| Distribution of restricted cash from prior year acquisitions | |
| Cash used in investing activities | -4.51M |
| Borrowings under revolving loan facilities | |
| Repayments under revolving loan facilities | 0 |
| Issuance of common stock upon exercise of stock options | |
| Excess tax benefit on exercise of share-based instruments | |
| Purchases and retirement of treasury stock | -2K |
| Cash provided by financing activities | -74K |
| Effects of exchange rate changes on cash | -48K |
| Net decrease in cash and cash equivalents | 7.14M |
| Cash and cash equivalents at beginning of period | 65.57M |
| Cash and cash equivalents at end of period | 72.71M |