Consolidated Statements of Income (USD $) In Thousands, except Per Share data	3 Months Ended
	Jul. 02, 2011		Jul. 03, 2010
Revenues
Products	$ 47,719		$ 46,049
On-Site services	220,707		217,547
Total	268,426		263,596
Cost of sales
Products	26,267	[1]	24,818	[1]
On-Site services	155,578	[1]	149,164	[1]
Total	181,845	[1]	173,982	[1]
Gross profit	86,581		89,614
Selling, general & administrative expenses	66,644		63,620
Intangibles amortization	3,059		3,102
Operating income	16,878		22,892
Interest expense (income), net	1,065		1,690
Other expenses (income), net	292		1
Income before provision for income taxes	15,521		21,201
Provision for income taxes	5,898		8,057
Net income	$ 9,623		$ 13,144
Earnings per common share
Basic	$ 0.54		$ 0.75
Diluted	$ 0.53		$ 0.75
Weighted-average common shares outstanding
Basic	17,975		17,564
Diluted	18,145		17,597
Dividends per share	$ 0.07		$ 0.06

[1] Exclusive of depreciation and intangibles amortization