CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (USD $)	3 Months Ended
	Jun. 29, 2013	Jun. 30, 2012
Income Statement [Abstract]
Net Sales	$ 232,127,000	$ 231,051,000
Costs and Expenses:
Cost of Product Sold	212,447,000	201,976,000
Selling and Administrative	15,919,000	14,828,000
Plant Restructuring	154,000	0
Other Operating Income	(181,000)	(18,000)
Total Costs and Expenses	228,339,000	216,786,000
Operating Income (Loss)	3,788,000	14,265,000
Interest Expense, Net	1,827,000	1,478,000
Earnings (Loss) Before Income Taxes	1,961,000	12,787,000
Income Taxes Expense (Benefit)	614,000	4,596,000
Net Earnings (Loss)	1,347,000	8,191,000
Earnings (Loss) Attributable to Common Stock	$ 1,298,000	$ 7,907,000
Basic Earnings (Loss) per Common Share	$ 0.12	$ 0.68
Diluted Earnings (Loss) per Common Share	$ 0.12	$ 0.67