Goodwill and Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2014	Mar. 30, 2014
Summary of Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, Gross Carrying Amount	$ 10,351	$ 10,351
Finite-life intangible assets, Accumulated Amortization	(3,434)	(3,069)
Total finite-life intangible assets, Net	6,917	7,282
Indefinite-life intangible assets gross	1,227	1,227
Indefinite-life intangible assets, Accumulated Amortization	0	0
Indefinite-life intangible assets	1,227	1,227
Total Intangible Assets, Gross	11,578	11,578
Intangible assets, Accumulated Amortization	(3,434)	(3,069)
Total intangible assets, net	8,144	8,509
Customer relationships [Member]
Summary of Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, Gross Carrying Amount	6,913	6,913
Finite-life intangible assets, Accumulated Amortization	(1,465)	(1,292)
Total finite-life intangible assets, Net	5,448	5,621
Trademarks [Member]
Summary of Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, Gross Carrying Amount	1,335	1,335
Finite-life intangible assets, Accumulated Amortization	(507)	(421)
Total finite-life intangible assets, Net	828	914
Trade secrets [Member]
Summary of Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, Gross Carrying Amount	962	962
Finite-life intangible assets, Accumulated Amortization	(832)	(768)
Total finite-life intangible assets, Net	130	194
Carrier relationships [Member]
Summary of Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, Gross Carrying Amount	800	800
Finite-life intangible assets, Accumulated Amortization	(297)	(257)
Total finite-life intangible assets, Net	503	543
Other finite-life intangible assets [Member]
Summary of Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, Gross Carrying Amount	341	341
Finite-life intangible assets, Accumulated Amortization	(333)	(331)
Total finite-life intangible assets, Net	$ 8	$ 10