Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating activities
Net income	$ 10,103	$ 8,744
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	5,453	5,885
Debt issuance amortization	42	78
Provision for deferred income taxes	852	(411)
Gain on sale of assets	(27)	(23)
Unrealized intercompany foreign currency transaction loss (gain)	513	(748)
Changes in operating assets and liabilities:
Accounts receivable	16,226	(11,362)
Inventories	(10,215)	(20,485)
Other assets	(957)	(2,700)
Accounts payable	(5,419)	6,051
Customer deposits	(4,207)	4,209
Accrued expenses	(6,292)	2,190
Accrued postretirement benefits	(387)	(423)
Net cash provided by (used in) operating activities	5,685	(8,995)
Investing activities
Capital expenditures	(6,167)	(13,520)
Proceeds on sale of assets	40	908
Net cash used in investing activities	(6,127)	(12,612)
Financing activities
Proceeds from short-term notes payable to bank	49,627	20,447
Repayments of short-term notes payable to bank	(48,800)	(9,504)
Proceeds from long-term debt	1,106	1,616
Repayments of long-term debt	(1,246)	(464)
Dividends paid	(698)	(349)
Other financing activities	8	42
Net cash (used in) provided by financing activities	(3)	11,788
Effect of exchange rate changes on cash	216	135
Net decrease in cash	(229)	(9,684)
Cash and cash equivalents at beginning of period	21,736	30,945
Cash and cash equivalents at end of period	$ 21,507	$ 21,261