Unaudited Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating activities
Net income	$ 9,569	$ 46,962
Income from discontinued operations	0	(38,807)
Income from continuing operations	9,569	8,155
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Depreciation, depletion and amortization	10,209	6,774
Amortization of deferred financing fees	295	812
Deferred income taxes	(3,333)	(1,897)
Loss (gain) on sale of assets	351	(2,273)
Other non-current liabilities	1,460	745
Other	(14,255)	2,721
Working capital changes, excluding the effect of business acquisitions:
Accounts receivable	40,334	20,452
Inventories	2,070	(12,819)
Other current assets	(4,131)	(5,146)
Accounts payable	(37,738)	(7,418)
Other current liabilities	(7,389)	(11,488)
Net cash used for operating activities of continuing operations	(2,558)	(1,382)
Net cash provided by operating activities of discontinued operations	0	53,064
Investing activities
Expenditures for property, plant and equipment	(13,816)	(34,312)
Proceeds from the sale of assets	1,274	23,499
Other	(173)	14,389
Net cash provided by (used for) investing activities of continuing operations	(12,715)	3,576
Net cash used for investing activities of discontinued operations	0	(5,713)
Financing activities
Additions to long-term debt	1,768	25,000
Reductions of long-term debt	(15,264)	(55,425)
Net additions (reductions) to revolving credit agreements	(280)	45,331
Cash dividends paid	(4,134)	(9,058)
Financing fees paid	0	(1,222)
Purchase of treasury shares	(21,608)	(577)
Other	(10)	5
Net cash provided by (used for) financing activities of continuing operations	(39,528)	4,054
Net cash used for financing activities of discontinued operations	0	(88,976)
Effect of exchange rate changes on cash of continuing operations	4	67
Effect of exchange rate changes on cash of discontinued operations	0	(185)
Cash and cash equivalents
Decrease for the period	(54,797)	(35,495)
Increase related to discontinued operations	0	41,810
Balance at the beginning of the period	139,855	153,783
Balance at the end of the period	$ 85,058	$ 160,098