Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 74,086		$ 127,946
Adjustments to reconcile net income to net cash used by operating activities:
Depreciation	26,355		29,058
Amortization	1,635		1,244
Net provision for losses on advances and guaranteed loans to suppliers	668		9,081
Foreign currency remeasurement loss (gain), net	14,231		14,649
Equity in net loss (income) of unconsolidated affiliates, net of dividends	2,001		5,530
Gain on favorable outcome of excise tax case in Brazil	0		(81,619)
Restructuring costs	4,493	[1]	4,708	[1]
Other, net	(2,720)		7,105
Changes in operating assets and liabilities, net	(122,372)		(131,853)
Net cash used by operating activities	(1,623)		(14,151)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property, plant and equipment	(43,207)		(30,846)
Proceeds from sale of property, plant and equipment	3,791		1,497
Net cash used by investing activities	(39,416)		(29,349)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance (repayment) of short-term debt, net	57,075		(36,725)
Issuance of long-term obligations	370,000		175,000
Repayment of long-term obligations	(356,250)		(207,500)
Dividends paid to noncontrolling interests	(1,977)		(1,962)
Issuance of common stock	187		457
Repurchase of convertible perpetual preferred stock	(349)		0
Repurchase of common stock	(20,473)		(14,145)
Dividends paid on convertible perpetual preferred stock	(11,137)		(11,137)
Dividends paid on common stock	(35,485)		(34,880)
Debt issuance costs and other	(2,985)		(875)
Net cash used by financing activities	(1,394)		(131,767)
Effect of exchange rate changes on cash	(784)		(730)
Net decrease in cash and cash equivalents	(43,217)		(175,997)
Cash and cash equivalents at beginning of year	163,532		367,864
Cash and cash equivalents at end of period	$ 120,315		$ 191,867

[1] Restructuring costs are excluded from segment operating income, but are included in consolidated operating income in the consolidated statements of income and comprehensive income.