Intangible Assets (Tables)

3 Months Ended

Jun. 30, 2015

Intangible Assets

Schedule of intangible assets

		June 30, 2015				March 31, 2015
	Amortizable	Gross Carrying		Accumulated		Gross Carrying		Accumulated
	Lives	Amount		Amortization		Amount		Amortization
		(in thousands)
Amortizable—
Customer relationships	3–20 years	$	912,418	$	179,743	$	921,418	$	159,215
Pipeline capacity rights	30 years	119,636		3,568		119,636		2,571
Water facility development agreement	5 years	14,000		5,600		14,000		4,900
Executory contracts and other agreements	2–10 years	23,920		19,063		23,920		18,387
Non-compete agreements	2–10 years	26,771		11,629		26,662		10,408
Trade names	2–12 years	15,439		9,184		15,439		7,569
Debt issuance costs	5–10 years	55,171		19,710		55,165		17,467
Total amortizable		1,167,355		248,497		1,176,240		220,517
Non-amortizable—
Customer commitments		310,000		—		310,000		—
Trade names		22,620		—		22,620		—
Total non-amortizable		332,620		—		332,620		—
Total		$	1,499,975	$	248,497	$	1,508,860	$	220,517

Schedule of amortization expense

	Three Months Ended June 30,
Recorded In	2015		2014
	(in thousands)
Depreciation and amortization	$	24,037	$	20,893
Cost of sales	1,701		2,137
Interest expense	2,282		1,912
Total	$	28,020	$	24,942

Schedule of expected amortization of intangible assets

Expected amortization of our intangible assets, exclusive of assets that are not yet amortizable, is as follows (in thousands):

Year Ending March 31,
2016 (nine months)	$	82,671
2017	104,093
2018	100,114
2019	90,904
2020	84,246
Thereafter	456,830
Total	$	918,858