Consolidated Statements Of Cash Flows (USD $) In Thousands	6 Months Ended
	Sep. 30, 2011		Sep. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 9,325		$ 78,201
Adjustments to reconcile net income to net cash used by operating activities:
Depreciation	21,786		21,516
Amortization	785		814
Provisions for losses on advances and guaranteed loans to suppliers	6,421		7,363
Foreign currency remeasurement loss (gain), net	1,921		(183)
Gain on fire loss insurance settlement	(9,592)
Restructuring costs	9,821	[1]	2,969	[1]
Charge for (reversal of) European Commission fines in Italy and Spain	49,091	[1]	(7,445)	[1]
Other, net	20,061		(7,794)
Changes in operating assets and liabilities, net	(231,659)		(410,647)
Net cash used by operating activities	(122,040)		(315,206)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property, plant and equipment	(18,474)		(23,345)
Proceeds from sale of property, plant and equipment, and other	7,905		5,684
Proceeds from fire loss insurance settlement	9,933
Net cash used by investing activities	(636)		(17,661)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance (repayment) of short-term debt, net	144,148		190,000
Repayment of long-term obligations	(95,000)		(10,000)
Issuance of common stock	134
Repurchase of common stock	(4,004)		(19,540)
Dividends paid on convertible perpetual preferred stock	(7,425)		(7,425)
Dividends paid on common stock	(22,343)		(22,779)
Proceeds from termination of interest rate swap agreements	13,388
Net cash provided by financing activities	28,898		130,256
Effect of exchange rate changes on cash	(1,724)		474
Net decrease in cash and cash equivalents	(95,502)		(202,137)
Cash and cash equivalents at beginning of year	141,007		245,953
Cash and cash equivalents at end of period	$ 45,505		$ 43,816

[1] Item is not included in segment operating income, but is included in consolidated operating income.