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Consolidated Statements of Earnings - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Revenue	$ 1,450,814	$ 1,393,241	$ 1,386,520
Cost of Goods Sold	1,119,552	1,066,673	1,047,764
Gross Profit	331,262	326,568	338,756
Equity in Earnings of Unconsolidated Joint Venture	42,585	38,565	43,419
Corporate General and Administrative Expense	(65,410)	(37,371)	(41,205)
Impairment Losses	(224,267)	(220,265)
Litigation Settlements and Losses		(1,800)	(45,098)
Other Non-Operating Income (Loss)	(25)	2,412	3,728
Interest Expense, Net	(38,421)	(28,374)	(27,638)
Earnings Before Income Taxes	45,724	79,735	271,962
Income Taxes	25,170	(10,875)	(15,330)
Net Earnings	$ 70,894	$ 68,860	$ 256,632
EARNINGS PER SHARE
Basic	$ 1.69	$ 1.48	$ 5.33
Diluted	$ 1.68	$ 1.47	$ 5.28
AVERAGE SHARES OUTSTANDING
Basic	42,021,892	46,620,894	48,141,226
Diluted	42,285,343	46,932,380	48,645,986
CASH DIVIDENDS PER SHARE	$ 0.40	$ 0.40	$ 0.40

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