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SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Schedule of Inventories

Inventories consist of the following:

		March 31,
		2019				2018
		(dollars in thousands)
Raw Materials and Materials-in-Progress		$	125,828			$	121,628
Finished Cement			27,826				24,089
Aggregates			7,351				7,787
Gypsum Wallboard			7,124				8,477
Paperboard			15,660				8,602
Frac Sand			2,557				1,696
Repair Parts and Supplies			80,676				79,878
Fuel and Coal			8,172				6,002
		$	275,194			$	258,159

Schedule of Property, Plant and Equipment Estimated Lives

The estimated lives of the related assets are as follows:

Plants		20 to 30 years
Buildings		20 to 40 years
Machinery and Equipment		3 to 25 years

Schedule of Intangible Assets, Including Impact of Impairment Charge

Intangible Assets, including the impact of the impairment charges discussed above, at March 31, 2019 and 2018, consist of the following:

		March 31, 2019
		Amortization Period		Cost				Accumulated Amortization				Impairment				Net
		(dollars in thousands)
Goodwill and Intangible Assets:
Customer Contracts and Relationships		15 years		$	72,260			$	(61,009	)		$	(178	)		$	11,073
Sales Contracts		4 years			2,500				(2,500	)			—				—
Permits		40 years			28,640				(8,968	)			—				19,672
Goodwill					205,211				—				(6,841	)			198,370
Total Goodwill and Intangible Assets				$	308,611			$	(72,477	)		$	(7,019	)		$	229,115

		March 31, 2018
		Amortization Period		Cost				Accumulated Amortization				Net
		(dollars in thousands)
Goodwill and Intangible Assets:
Customer Contracts and Relationships		15 years		$	72,260			$	(58,732	)		$	13,528
Sales Contracts		4 years			2,500				(2,500	)			—
Permits		40 years			28,640				(8,037	)			20,603
Goodwill					205,211				—				205,211
Total Goodwill and Intangible Assets				$	308,611			$	(69,269	)		$	239,342

Schedule of Total Selling, General and Administrative Expenses

Total Selling, General, and Administrative expenses for each of the periods are summarized as follows:

		For the Years Ended March 31,
		2019				2018				2017
		(dollars in thousands)
Operating Units Selling, G&A		$	53,787			$	62,529			$	57,004
Corporate G&A			37,371				41,205				33,940
		$	91,158			$	103,734			$	90,944

Schedule of Earnings Per Share

		For the Years Ended March 31,
		2019				2018				2017
Weighted-Average Shares of Common Stock Outstanding			46,620,894				48,141,226				47,931,518
Effect of Dilutive Shares:
Assumed Exercise of Outstanding Dilutive Options			539,135				1,013,764				1,000,556
Less Shares Repurchased from Proceeds of Assumed Exercised Options			(374,380	)			(727,904	)			(726,223	)
Restricted Stock Units			146,731				218,900				155,435
Weighted-Average Common Stock and Dilutive Securities Outstanding			46,932,380				48,645,986				48,361,286

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