Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating activities
Net income	$ 2,443	$ 1,381
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	1,743	1,916
Debt issuance amortization	52	26
Provision for deferred income taxes	981	(1,085)
Gain on sale of assets	(2)	(25)
Unrealized intercompany foreign currency transaction loss (gain)	427	(215)
Changes in operating assets and liabilities:
Accounts receivable	14,108	(2,308)
Inventories	(8,447)	(9,311)
Other assets	(295)	(1,079)
Accounts payable	(5,564)	1,081
Customer deposits	676	5,065
Accrued expenses	(9,505)	(2,677)
Accrued postretirement benefits	(124)	176
Net cash used in operating activities	(3,507)	(7,055)
Investing activities
Capital expenditures	(2,113)	(4,354)
Proceeds on sale of assets		25
Net cash used in investing activities	(2,113)	(4,329)
Financing activities
Proceeds from short-term notes payable to bank	23,900	7,016
Repayments of short-term notes payable to bank	(18,312)	(1,636)
Proceeds from long-term debt	476
Repayments of long-term debt	(152)	(154)
Dividends paid	(233)	(58)
Other financing activities	(49)	20
Net cash provided by financing activities	5,630	5,188
Effect of exchange rate changes on cash	460	196
Net increase (decrease) in cash	470	(6,000)
Cash and cash equivalents at beginning of period	21,736	30,945
Cash and cash equivalents at end of period	$ 22,206	$ 24,945