Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 31, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 31, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2014		Mar. 31, 2013		Mar. 31, 2012		Mar. 31, 2014 Operating Segments North America Products		Mar. 31, 2013 Operating Segments North America Products		Mar. 31, 2012 Operating Segments North America Products		Mar. 31, 2014 Operating Segments North America Services		Mar. 31, 2013 Operating Segments North America Services		Mar. 31, 2012 Operating Segments North America Services		Mar. 31, 2014 Operating Segments International Products		Mar. 31, 2013 Operating Segments International Products		Mar. 31, 2012 Operating Segments International Products		Mar. 31, 2014 Operating Segments International Services		Mar. 31, 2013 Operating Segments International Services		Mar. 31, 2012 Operating Segments International Services		Mar. 31, 2014 United States Federal Government	Mar. 31, 2012 United States Federal Government	Mar. 31, 2011 United States Federal Government
Segment Reporting Information [Line Items]
Revenues	$ 238,278	$ 239,689	$ 246,810	$ 246,897	$ 237,699	$ 252,089	$ 260,161	$ 247,837	$ 971,674		$ 997,786		$ 1,087,528		$ 82,833		$ 87,089		$ 92,781		$ 753,525		$ 775,868		$ 850,936		$ 99,320		$ 99,194		$ 105,859		$ 35,996		$ 35,635		$ 37,952		$ 161,154	$ 159,438	$ 184,833
Gross profit	75,639	73,784	77,128	77,031	78,870	81,732	80,054	79,274	303,582		319,930		346,496		34,624		38,367		39,585		219,337		228,503		247,918		42,052		44,040		48,600		7,569		9,020		10,393
Operating income (loss) 2	(144,868)	10,495	13,529	12,452	12,713	17,712	13,984	11,860	(108,392)	[1]	56,269	[2]	(239,673)	[3]	(36,099)	[1]	8,995	[2]	8,599	[3]	(52,426)	[1]	38,418	[2]	(223,279)	[3]	(14,847)	[1]	6,954	[2]	(1,308)	[3]	(5,020)	[1]	1,902	[2]	(23,685)	[3]
Depreciation expense									6,187		5,386		5,434		1,910		1,237		1,291		3,501		3,466		3,626		598		526		399		178		157		118
Intangibles amortization	2,683	2,923	3,109	3,309	3,321	3,478	3,474	3,464	12,024		13,737		13,025		0		0		0		12,006		13,713		12,980		0		0		0		18		24		45
Capital expenditures									7,338		6,323		7,633		2,899		2,824		2,696		3,820		2,310		4,396		443		1,017		429		176		172		112
Assets	712,029				878,001				712,029		878,001		888,023		92,704		131,762		133,538		532,756		646,119		656,539		52,432		70,238		66,973		34,137		29,882		30,973
Restructuring expense	1,734	833	734	139	2,972	1,442	2,051	1,980	3,440		8,445		2,142		308		688				1,958		5,578		1,886		594		1,879		43		580		300		213
Goodwill impairment loss	$ 154,429	$ 0	$ 0	$ 0					$ 154,429		$ 0		$ 317,797		$ 42,613				$ 232		$ 86,904				$ 277,132		$ 20,159				$ 13,724		$ 4,753				$ 26,709

[1] Includes restructuring expense of $3,440 ($308 for North America Products, $1,958 for North America Services, $594 for International Products and $580 for International Services) and goodwill impairment loss of $154,429 ($42,613 for North America Products, $86,904 for North America Services, $20,159 for International Products and $4,753 for International Services) recorded during Fiscal 2014.

[2] Includes restructuring expense of $8,445 ($688 for North America Products, $5,578 for North America Services, $1,879 for International Products and $300 for International Services) recorded during Fiscal 2013.

[3] Includes restructuring expense of $2,142 ($1,886 for North America Services, $43 for International Products and $213 for International Services) and goodwill impairment loss of $317,797 ($232 for North America Products, $277,132 for North America Services, $13,724 for International Products and $26,709 for International Services) recorded during Fiscal 2012.