Unaudited Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating activities
Net income	$ 2,551	$ 21,894
Adjustments to reconcile from net income to net cash provided by operating activities:
Depreciation, depletion and amortization	19,445	16,377
Amortization of deferred financing fees	347	442
Deferred income taxes	994	(7,401)
Other	10,086	(15,797)
Working capital changes:
Accounts receivable	10,511	12,199
Inventories	(36,183)	(37,776)
Other current assets	(7,921)	(2,548)
Accounts payable	16,884	13,843
Other current liabilities	(14,496)	5,750
Net cash provided by for operating activities	2,218	6,983
Investing activities
Expenditures for property, plant and equipment	(47,663)	(24,905)
Cash in escrow for investment	0	(5,000)
Other	366	1,055
Net cash used for investing activities	(47,297)	(28,850)
Financing activities
Additions to long-term debt	1,553	1,511
Reductions of long-term debt	(2,000)	(11,762)
Net additions (reductions) to revolving credit agreements	33,345	5,136
Cash dividends paid	(5,884)	(6,133)
Purchase of treasury shares	(26,447)	(27,355)
Other	(255)	(26)
Net cash provided by (used for) financing activities	312	(38,629)
Effect of exchange rate changes on cash	(25)	(6)
Cash and cash equivalents
Decrease for the period	(44,792)	(60,502)
Balance at the beginning of the period	95,390	139,855
Balance at the end of the period	$ 50,598	$ 79,353