Consolidated Statements Of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash Flows from Operating Activities
Net income	$ 17,342	$ 24,185
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and software amortization	10,312	11,245
Intangible asset amortization	420	532
Stock-based compensation	2,812	1,906
Excess tax benefits from stock-based compensation	(213)	0
Net pension cost	710	1,866
Deferred income taxes	7,787	4,002
Other, net	86	42
Changes in operating assets and liabilities, net of acquisitions:
Decrease in accounts receivable, net	3,840	6,593
Increase in inventory	(254)	(1,157)
Increase in prepaid expenses and other current assets	(895)	(1,358)
(Decrease) increase in accounts payable	(10,106)	1,369
Decrease in other accrued expenses and other current liabilities	(14,384)	(8,107)
Other, net	555	(3,382)
Net cash provided by operating activities	18,012	37,736
Cash Flows from Investing Activities
Purchases of property, plant and equipment	(11,408)	(8,266)
Proceeds from sale of property, plant and equipment	104	129
Net cash used in investing activities	(11,304)	(8,137)
Cash Flows from Financing Activities
Net repayment of borrowings	(27,500)	(22,125)
Issuance of common stock	686	63
Excess tax benefits from stock-based compensation	213	0
Purchase of treasury stock	(8,363)	0
Dividends paid	(10,253)	(9,570)
Net cash used in financing activities	(45,217)	(31,632)
Effect of exchange rate changes on cash and cash equivalents	373	(732)
Net decrease in cash and cash equivalents	(38,136)	(2,765)
Cash and cash equivalents at beginning of year	85,996	86,598
Cash and cash equivalents at end of period	$ 47,860	$ 83,833