Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net earnings	$ 1,805	$ 15,409
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	13,796	12,327
Stock compensation expense	2,434	2,261
Changes in current assets and liabilities	(27,470)	(16,343)
Inventory write down	5,045
Effect of deferred taxes	3,722	140
Change in deferred revenue and costs, net	3,811	(1,580)
Pension contributions	(1,755)	(1,340)
Other	676	(9)
Net cash provided by operating activities	2,064	10,865
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(28,247)	(1,345)
Additions to capitalized software	(7,665)	(6,751)
Capital expenditures	(10,117)	(6,152)
Net cash used by investing activities	(46,029)	(14,248)
Cash flows from financing activities:
Proceeds from long-term debt	77,698	39,365
Principal payments on long-term debt	(15,000)	(38,000)
Dividends paid	(4,244)	(4,268)
Purchases of common stock into treasury	(9,703)
Proceeds from exercise of stock options	1,739	(326)
Other	(49)	68
Net cash provided (used) by financing activities	50,441	(3,161)
Effect of exchange rate changes on cash and cash equivalents	(811)	(543)
Net increase (decrease) in cash and cash equivalents	5,665	(7,087)
Cash and cash equivalents, beginning of period	30,215	34,158
Cash and cash equivalents, end of period	$ 35,880	$ 27,071