Long-Term Debt (Tables)

6 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Schedule of long-term debt

Our long-term debt consists of the following at the dates indicated:

	September 30, 2016							March 31, 2016
	Face Amount		Unamortized Debt Issuance Costs (1)			Book Value		Face Amount		Unamortized Debt Issuance Costs (1)			Book Value
	(in thousands)
Revolving credit facility:
Expansion capital borrowings	$	1,312,000	$	—		$	1,312,000	$	1,229,500	$	—		$	1,229,500
Working capital borrowings	710,500		—			710,500		618,500		—			618,500
5.125% Notes due 2019	383,467		(3,871		)	379,596		388,467		(4,681		)	383,786
6.875% Notes due 2021	369,063		(6,433		)	362,630		388,289		(7,545		)	380,744
6.650% Notes due 2022	250,000		(3,055		)	246,945		250,000		(3,166		)	246,834
Other long-term debt	59,506		(123		)	59,383		61,488		(108		)	61,380
	3,084,536		(13,482		)	3,071,054		2,936,244		(15,500		)	2,920,744
Less: Current maturities	8,046		—			8,046		7,907		—			7,907
Long-term debt	$	3,076,490	$	(13,482	)	$	3,063,008	$	2,928,337	$	(15,500	)	$	2,912,837

(1) Debt issuance costs related to the Revolving Credit Facility (as defined herein) are reported within intangible assets, rather than as a reduction of the carrying amount of long-term debt.

Schedule of future amortization expense of debt issuance costs

Expected amortization of debt issuance costs is as follows (in thousands):

Year Ending March 31,
2017 (six months)	$	1,619
2018	3,229
2019	3,226
2020	2,236
2021	1,827
Thereafter	1,345
Total	$	13,482

Schedule of maturities of long-term debt

The scheduled maturities of our long-term debt are as follows at September 30, 2016:

Year Ending March 31,	Revolving Credit Facility		2019 Notes		2021 Notes		2022 Notes		Other Long-Term Debt		Total
	(in thousands)
2017 (six months)	$	—	$	—	$	—	$	—	$	3,405	$	3,405
2018	—		—		—		25,000		8,014		33,014
2019	2,022,500		—		—		50,000		6,857		2,079,357
2020	—		383,467		—		50,000		6,372		439,839
2021	—		—		—		50,000		34,728		84,728
Thereafter	—		—		369,063		75,000		130		444,193
Total	$	2,022,500	$	383,467	$	369,063	$	250,000	$	59,506	$	3,084,536