CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS - USD ($)	3 Months Ended
	Jul. 02, 2016	Jun. 27, 2015
Income Statement [Abstract]
Net Sales	$ 252,614,000	$ 226,258,000
Costs and Expenses:
Cost of Product Sold	232,639,000	205,359,000
Selling and Administrative	17,205,000	15,056,000
Plant Restructuring	1,185,000	(81,000)
Other Operating (Income) Loss	(12,000)	(336,000)
Total Costs and Expenses	251,017,000	219,998,000
Operating Income (Loss)	1,597,000	6,260,000
Interest Expense, Net	2,144,000	1,692,000
Earnings From Equity Investment	(437,000)	0
Earnings (Loss) Before Income Taxes	(110,000)	4,568,000
Income Taxes Expense (Benefit)	(48,000)	1,600,000
Net Earnings (Loss)	(62,000)	2,968,000
Earnings (Loss) Attributable to Common Stock	$ (67,000)	$ 2,925,000
Basic Earnings (Loss) per Common Share	$ (0.01)	$ 0.3
Diluted Earnings (Loss) per Common Share	$ (0.01)	$ 0.29