Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating activities
Net income	$ 6,083	$ 4,494
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	3,658	3,896
Debt issuance amortization	32	52
Provision for deferred income taxes	1,001	(1,272)
Gain on sale of assets	(14)	(18)
Unrealized intercompany foreign currency transaction loss	290	399
Changes in operating assets and liabilities:
Accounts receivable	11,685	(13,677)
Inventories	(10,586)	(12,237)
Other assets	(540)	(2,571)
Accounts payable	(2,906)	4,357
Customer deposits	(2,399)	6,008
Accrued expenses	(5,732)	317
Accrued postretirement benefits	(258)	(287)
Net cash provided by (used in) operating activities	314	(10,539)
Investing activities
Capital expenditures	(5,364)	(9,002)
Proceeds on sale of assets	22	864
Net cash used in investing activities	(5,342)	(8,138)
Financing activities
Proceeds from short-term notes payable to bank	35,584	7,760
Repayments of short-term notes payable to bank	(35,726)	(1,768)
Proceeds from long-term debt	475
Repayments of long-term debt	(465)	(309)
Dividends paid	(465)	(116)
Other financing activities	9	47
Net cash (used in) provided by financing activities	(588)	5,614
Effect of exchange rate changes on cash	29	819
Net decrease in cash	(5,587)	(12,244)
Cash and cash equivalents at beginning of period	21,736	30,945
Cash and cash equivalents at end of period	$ 16,149	$ 18,701