Summary of Significant Accounting Policies (Long Lived Assets) (Details) (USD $)	12 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 31, 2012
Property, Plant and Equipment [Line Items]
Assets held for sale	$ 1,130,000	$ 4,180,000
Property, Plant and Equipment, Transfers and Changes	2,800,000
Net gain on sale of idle production facilities	(70,000)	7,000	117,000
Impairment losses on assets held and used	269,000	0
Impairment charges on assets held for sale	291,000
Buildings and improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful lives	10 years
Buildings and improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful lives	39 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful lives	3 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful lives	25 years
Tempe Arizona Facility [Member]
Property, Plant and Equipment [Line Items]
Proceeds from sale of productive ideal assets	1,500,000
Siler City North Carolina Facility [Member]
Property, Plant and Equipment [Line Items]
Proceeds from sale of productive ideal assets	338,000
Idle Facilities [Member]
Property, Plant and Equipment [Line Items]
Net gain on sale of idle production facilities		28,000
Factory Built Housing [Member]
Property, Plant and Equipment [Line Items]
Impairment charges on assets held for sale		$ 0	$ 0