SEGMENT INFORMATION (Tables)

3 Months Ended

Jun. 30, 2014

Segments [Abstract]

Schedule of revenue by segment

	Three Months Ended   June 30,
	2014			2013
Business unit gross revenue from external clients:
Europe	$	228,405		$	166,709
West Africa	82,856			79,381
North America	57,642			58,582
Australia	51,603			43,998
Other International	35,526			32,975
Corporate and other	16,506			17,349
Total business unit gross revenue	$	472,538		$	398,994
Intra-business unit gross revenue:
Europe	$	161		$	—
West Africa	—			—
North America	—			(16		)
Australia	—			—
Other International	8			—
Corporate and other	771			863
Total intra-business unit gross revenue	$	940		$	847
Consolidated gross revenue reconciliation:
Europe	$	228,566		$	166,709
West Africa	82,856			79,381
North America	57,642			58,566
Australia	51,603			43,998
Other International	35,534			32,975
Corporate and other	17,277			18,212
Intra-business unit eliminations	(940		)	(847		)
Total consolidated gross revenue	$	472,538		$	398,994

Schedule of earnings from unconsolidated affiliates

	Three Months Ended   June 30,
	2014		2013
Earnings from unconsolidated affiliates, net of losses – equity method investments:
Europe	374		3,040
North America	(466	)	(8	)
Other International	4,373		8,940
Total earnings from unconsolidated affiliates, net of losses – equity method investments	4,281		11,972

Schedule of consolidated operating income loss

	Three Months Ended   June 30,
	2014		2013
Consolidated operating income (loss) reconciliation:
Europe	40,369		20,021
West Africa	16,662		19,253
North America	12,546		8,123
Australia	2,253		3,280
Other International	10,402		18,442
Corporate and other	(17,650	)	(11,279	)
Gain (loss) on disposal of assets	610		(1,721	)
Total consolidated operating income	65,192		56,119

Schedule of depreciation and amortization

	Three Months Ended   June 30,
	2014	2013
Depreciation and amortization:
Europe	9,722	7,248
West Africa	3,539	3,260
North America	4,776	6,139
Australia	3,609	1,889
Other International	3,404	3,630
Corporate and other	284	653
Total depreciation and amortization	25,334	22,819

Schedule of identifiable assets

	June 30,   2014		March 31,    2014
Identifiable assets:
Europe	$	913,427	$	932,803
West Africa	444,995		454,161
North America	521,250		487,659
Australia	358,856		260,483
Other International	574,699		579,571
Corporate and other	727,491		683,580
Total identifiable assets (1)	$	3,540,718	$	3,398,257

Schedule of equity method investments

	June 30,   2014		March 31,    2014
Investments in unconsolidated affiliates – equity method investments:
Europe	$	710	$	1,067
North America	61,104		61,570
Other International	197,855		193,692
Total investments in unconsolidated affiliates – equity method investments	$	259,669	$	256,329