Segment Information (Tables)

3 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area

The following table presents the summary segment information for the three months ended June 30, 2016 and 2015:       

	Three Months Ended June 30,
	2016			2015
Sales and other operating revenues:
North America	$	49,938		$	30,300
Other regions	211,163			235,982
Total revenue	$	261,101		$	266,282
Operating income (loss):
North America	$	(978	)	$	871
Other regions	(4,298		)	(3,775		)
Total operating loss	(5,276		)	(2,904		)
Interest expense	30,602			27,773
Interest income	1,838			1,374
Loss before income taxes and other items	$	(34,040	)	$	(29,303	)

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country

Analysis of Segment Assets		June 30, 2016		June 30, 2015		March 31, 2016
Segment assets:
	North America	$	316,215	$	324,118	$	338,833
	Other regions	1,602,483		1,504,900		1,629,365
	Total assets	$	1,918,698	$	1,829,018	$	1,968,198