CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS - USD ($)	3 Months Ended
	Jun. 27, 2015	Jun. 28, 2014
Income Statement [Abstract]
Net Sales	$ 226,258,000	$ 240,043,000
Costs and Expenses:
Cost of Product Sold	205,679,000	223,047,000
Selling and Administrative	15,056,000	15,719,000
Plant Restructuring	(81,000)	0
Other Operating Income	(336,000)	279,000
Total Costs and Expenses	220,318,000	239,045,000
Operating Income (Loss)	5,940,000	998,000
Interest Expense, Net	1,372,000	1,069,000
Earnings From Equity Investment	0	366,000
Earnings (Loss) Before Income Taxes	4,568,000	295,000
Income Taxes Expense (Benefit)	1,600,000	402,000
Net Earnings (Loss)	2,968,000	(107,000)
Earnings (Loss) Attributable to Common Stock	$ 2,925,000	$ (110,000)
Basic Earnings (Loss) per Common Share	$ 0.3	$ (0.01)
Diluted Earnings (Loss) per Common Share	$ 0.29	$ (0.01)