Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 29, 2012	Mar. 31, 2012
Assets
Cash and cash equivalents	$ 29,469	$ 22,444
Accounts receivable, net of allowance for doubtful accounts of $6,302 and $6,273	158,568	163,888
Inventories, net	56,265	56,956
Costs/estimated earnings in excess of billings on uncompleted contracts	110,365	87,634
Other assets	23,248	22,678
Total current assets	377,915	353,600
Property, plant and equipment, net	27,101	27,109
Goodwill, net	346,546	346,438
Intangibles, net	113,982	126,541
Other assets	28,141	34,335
Total assets	893,685	888,023
Liabilities
Accounts payable	74,672	71,095
Accrued compensation and benefits	23,858	31,151
Deferred revenue	34,364	35,601
Billings in excess of costs/estimated earnings on uncompleted contracts	18,202	14,315
Income taxes	4,087	2,574
Other liabilities	38,420	32,697
Total current liabilities	193,603	187,433
Long-term debt	191,803	179,621
Other liabilities	23,859	26,585
Total liabilities	409,265	393,639
Stockholders' Equity
Preferred stock authorized 5,000, par value $1.00, none issued	0	0
Common stock authorized 100,000, par value $.001, 16,300 and 17,480 shares outstanding, 25,898 and 25,730 issued	26	26
Additional paid-in capital	484,842	478,726
Retained earnings	364,843	347,242
Accumulated other comprehensive income	6,603	7,262
Treasury stock, at cost 9,598 and 8,250 shares	(371,894)	(338,872)
Total stockholders’ equity	484,420	494,384
Total liabilities and stockholders’ equity	$ 893,685	$ 888,023