Condensed Consolidated Balance Sheets (Interim Periods Unaudited) - USD ($)	Jun. 29, 2019	Mar. 31, 2019	Jun. 30, 2018
Current Assets:
Cash and Cash Equivalents	$ 16,901,000	$ 11,480,000	$ 12,626,000
Accounts Receivable, Net	74,000,000	84,122,000	73,743,000
Contracts Receivable	5,157,000
Inventories	493,498,000	501,684,000	567,594,000
Refundable Income Taxes	441,000	1,221,000	1,505,000
Other Current Assets	3,577,000	3,075,000	3,277,000
Total Current Assets	593,672,000	603,248,000	679,300,000
Property, Plant and Equipment, Net	206,188,000	239,273,000	252,045,000
Right-of-Use Assets Operating Net	83,742,000
Right-of-Use Assets Financing, Net	34,294,000
Deferred Income Taxes, Net	3,722,000	2,417,000	7,805,000
Noncurrent Assets Held For Sale-Discontinued Operations	1,143,000	1,143,000	21,632,000
Other Assets	2,547,000	2,801,000	3,394,000
Total Assets	925,308,000	848,882,000	964,176,000
Current Liabilities:
Accounts Payable	77,571,000	61,024,000	87,336,000
Deferred Revenue	1,936,000	4,098,000	3,080,000
Accrued Vacation	11,843,000	11,678,000	12,696,000
Accrued Payroll	6,002,000	5,105,000	7,748,000
Other Accrued Expenses	17,550,000	19,363,000	25,072,000
Current Portion of Operating Lease Obligations	26,641,000
Current Portion of Financing Lease Obligations	6,573,000
Current Portion of Capital Lease Obligations		6,418,000	5,863,000
Current Portion of Long-Term Debt	88,000	345,000	4,873,000
Total Current Liabilities	151,857,000	112,377,000	180,324,000
Long-Term Debt, Less Current Portion	246,645,000	265,900,000	318,282,000
Operating Lease Obligations, Less Current Portion	60,979,000
Financing Lease Obligations, Less Current Portion	29,907,000
Capital Lease Obligations, Less Current Portion		31,286,000	32,835,000
Pension Liabilities	18,005,000	17,349,000	24,761,000
Other Long-Term Liabilities	4,077,000	4,180,000	5,080,000
Total Liabilities	511,470,000	431,397,000	561,906,000
Commitments and Contingencies
Stockholders' Equity:
Preferred Stock	707,000	707,000	707,000
Common Stock, $.25 Par Value Per Share	3,039,000	3,039,000	3,038,000
Additional Paid-in Capital	98,285,000	98,260,000	98,186,000
Treasury Stock, at Cost	(78,484,000)	(75,740,000)	(69,556,000)
Accumulated Other Comprehensive Loss	(18,285,000)	(18,285,000)	(25,118,000)
Retained Earnings	408,576,000	409,504,000	395,013,000
Total Stockholders' Equity	413,838,000	417,485,000	402,270,000
Total Liabilities and Stockholders’ Equity	925,308,000	848,882,000	964,176,000
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Current Assets:
Current Assets Held For Sale		1,568,000	3,859,000
Current Liabilities:
Current Liabilities Held For Sale		61,000
Noncurrent Liabilities Held For Sale		305,000
Discontinued Operations, Held-for-sale [Member]
Current Assets:
Current Assets Held For Sale	98,000	98,000	16,696,000
Current Liabilities:
Current Liabilities Held For Sale	3,653,000	4,285,000	33,656,000
Noncurrent Liabilities Held For Sale			$ 624,000