Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Dec. 29, 2012		Dec. 31, 2011		Dec. 29, 2012		Dec. 31, 2011
Revenues
Products	$ 46,854		$ 51,379		$ 137,492		$ 149,427
On-Site services	205,235		224,560		622,595		682,109
Total	252,089		275,939		760,087		831,536
Cost of sales
Products	26,735	[1]	29,088	[1]	77,012	[1]	83,015	[1]
On-Site services	143,622	[1]	158,538	[1]	442,015	[1]	484,761	[1]
Total	170,357	[1]	187,626	[1]	519,027	[1]	567,776	[1]
Gross profit	81,732		88,313		241,060		263,760
Selling, general & administrative expenses	60,542		62,644		187,088		192,544
Goodwill impairment loss	0		317,797		0		317,797
Intangibles amortization	3,478		3,249		10,416		9,484
Operating income (loss)	17,712		(295,377)		43,556		(256,065)
Interest expense (income), net	1,133		1,856		4,956		3,690
Other expenses (income), net	2,839		311		3,788		876
Income (loss) before provision (benefit) for income taxes	13,740		(297,544)		34,812		(260,631)
Provision (benefit) for income taxes	5,222		(14,101)		13,229		(1,655)
Net income (loss)	$ 8,518		$ (283,443)		$ 21,583		$ (258,976)
Earnings (loss) per common share
Basic	$ 0.52		$ (16.12)		$ 1.29		$ (14.54)
Diluted	$ 0.52		$ (16.12)		$ 1.28		$ (14.54)
Weighted-average common shares outstanding
Basic	16,412		17,581		16,783		17,806
Diluted	16,525		17,581		16,863		17,806
Dividends per share	$ 0.08		$ 0.07		$ 0.24		$ 0.21

[1] Exclusive of depreciation and intangibles amortization