Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

Schedule Of Inventories

Inventories consist of the following:

	March 31,
	2015		2014
	(dollars in thousands)
Raw Materials and Materials-in-Progress	$	115,345	$	82,319
Finished Cement		20,508		19,173
Gypsum Wallboard		7,741		7,144
Paperboard		8,493		4,102
Frac Sand		4,928		275
Aggregates		11,131		11,815
Repair Parts and Supplies		62,121		56,119
Fuel and Coal		5,197		6,149
	$	235,464	$	187,096

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 Goodwill and Intangible Assets

Intangible assets at March 31, 2015 and 2014 consist of the following:

	March 31, 2015
	Amortization Period		Cost		Accumulated Amortization			Net
	(dollars in thousands)
Intangible Assets and Goodwill:
Customer contracts and relationships		5-15 years	$	62,060	$	(5,994	)	$	56,066
Sales contracts		4 years		2,500		(1,458	)		1,042
Permits		40 years		27,440		(5,896	)		21,544
Goodwill				132,515		—			132,515
Total intangible assets and goodwill			$	224,515	$	(13,348	)	$	211,167
	March 31, 2014
	Amortization Period		Cost		Accumulated Amortization			Net
	(dollars in thousands)
Intangible Assets and Goodwill:
Customer contracts and relationships		15 years	$	6,060	$	(1,580	)	$	4,480
Sales contracts		4 years		2,500		(833	)		1,667
Permits		40 years		27,240		(5,212	)		22,028
Goodwill				132,515		—			132,515
Total intangible assets and goodwill			$	168,315	$	(7,625	)	$	160,690

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,
	2015		2014		2013
	(dollars in thousands)
Operating Units Selling, G&A	$	49,326	$	50,175	$	39,133
Corporate G&A		30,751		24,552		23,918
	$	80,077	$	74,727	$	63,051

Schedule Of Earnings Per Share

	For the Years Ended March 31,
	2015			2014			2013
Weighted-Average Shares of Common Stock Outstanding		49,604,249			49,090,750			46,622,646
Effect of Dilutive Shares:
Assumed Exercise of Outstanding Dilutive Options		1,350,556			1,574,491			1,984,563
Less Shares Repurchased from Proceeds of Assumed Exercised Options		(868,636	)		(1,032,359	)		(1,568,604	)
Restricted Stock Units		286,074			306,283			301,845
Weighted-Average Common Stock and Dilutive Securities Outstanding		50,372,243			49,939,165			47,340,450