Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013
Assets
Cash and cash equivalents	$ 30,810	$ 30,720
Accounts receivable, net of allowance for doubtful accounts of $6,004 and $6,300	156,549	152,967
Inventories, net	52,211	55,469
Costs/estimated earnings in excess of billings on uncompleted contracts	89,789	101,458
Other assets	26,974	26,068
Total current assets	356,333	366,682
Property, plant and equipment, net	29,052	27,720
Goodwill, net	192,954	345,397
Intangibles, net	98,645	110,668
Other assets	35,045	27,534
Total assets	712,029	878,001
Liabilities
Accounts payable	64,603	66,236
Accrued compensation and benefits	26,075	25,186
Deferred revenue	33,847	33,869
Billings in excess of costs/estimated earnings on uncompleted contracts	15,932	13,386
Income taxes	3,169	6,650
Other liabilities	37,015	37,126
Total current liabilities	180,641	182,453
Long-term debt	160,429	187,648
Other liabilities	19,842	25,653
Total liabilities	360,912	395,754
Stockholders’ equity
Preferred stock authorized 5,000, par value $1.00, none issued	0	0
Common stock authorized 100,000, par value $.001, 15,558 and 16,133 shares outstanding, 26,136 and 25,898 issued	26	26
Additional paid-in capital	492,427	486,075
Retained earnings	249,217	370,775
Accumulated other comprehensive income	7,327	1,457
Treasury stock, at cost 10,578 and 9,765 shares	(397,880)	(376,086)
Total stockholders’ equity	351,117	482,247
Total liabilities and stockholders’ equity	$ 712,029	$ 878,001