Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Dec. 27, 2014	Dec. 28, 2013		Dec. 27, 2014 segment		Dec. 28, 2013		Mar. 31, 2014
Segment Reporting Information [Line Items]
Number of operating segments				4
Revenues	$ 253,294	$ 239,689		$ 747,393		$ 733,396
Gross profit	76,795	73,784		225,733		227,943
Operating income (loss)	9,003	10,495		24,617		36,476
Depreciation expense	1,749	1,636		5,143		4,576
Intangibles amortization	2,647	2,923		7,940		9,341
Capital expenditures	2,844	1,452		6,366		5,542
Assets	719,829	861,983		719,829		861,983		712,029
Operating Segments [Member] | North America Products [Member]
Segment Reporting Information [Line Items]
Revenues	21,833	19,517		64,727		62,168
Gross profit	8,693	7,967		26,335		26,256
Operating income (loss)	701	721	[1]	2,790	[1]	4,224	[1]
Depreciation expense	552	534		1,643		1,361
Intangibles amortization	0	0		0		0
Capital expenditures	893	442		1,860		2,615
Assets	95,646	133,420		95,646		133,420
Operating Segments [Member] | North America Services [Member]
Segment Reporting Information [Line Items]
Revenues	198,377	185,831		590,161		570,015
Gross profit	55,815	53,141		164,494		164,548
Operating income (loss)	6,915	8,664	[1]	19,772	[1]	28,240	[1]
Depreciation expense	985	904		2,864		2,648
Intangibles amortization	2,647	2,920		7,937		9,326
Capital expenditures	1,626	872		3,909		2,417
Assets	549,430	624,669		549,430		624,669
Operating Segments [Member] | International Products [Member]
Segment Reporting Information [Line Items]
Revenues	24,783	25,011		69,657		73,759
Gross profit	9,993	10,807		28,905		31,173
Operating income (loss)	583	1,406		634		3,979
Depreciation expense	168	155		514		431
Intangibles amortization	0	0		0		0
Capital expenditures	297	65		526		385
Assets	47,169	66,069		47,169		66,069
Operating Segments [Member] | International Services [Member]
Segment Reporting Information [Line Items]
Revenues	8,301	9,330		22,848		27,454
Gross profit	2,294	1,869		5,999		5,966
Operating income (loss)	804	(296)		1,421		33
Depreciation expense	44	43		122		136
Intangibles amortization	0	3		3		15
Capital expenditures	28	73		71		125
Assets	27,584	37,825		27,584		37,825
Scenario, Adjustment [Member] | Operating Segments [Member] | North America Products [Member]
Segment Reporting Information [Line Items]
Operating income (loss)		(407)	[1]	(1,218)	[1]	(882)	[1]
Scenario, Adjustment [Member] | Operating Segments [Member] | North America Services [Member]
Segment Reporting Information [Line Items]
Operating income (loss)		$ 407	[1]	$ 1,218	[1]	$ 882	[1]

[1] These results reflect a reclassification of expense that reduced Operating income (loss) in North America Products by $407, $1,218 and $882 in 3Q14, 3QYTD15 and 3QYTD14, respectively, with a corresponding increase of the same amounts for Operating income (loss) in North America Services. This reclassification had no effect on our consolidated financial results.