CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	6 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating activities
Net income (loss)	$ (2,501)	$ 33,894
Adjustments to reconcile net income to net cash used by operating activities:
Depreciation and amortization	16,068	14,027
Debt amortization/interest	7,154	6,507
Debt retirement expense	0	3,443
Restructuring costs	792	0
(Gain) loss on foreign currency transactions	14,021	(7,725)
Gain on sale of property, plant and equipment	(2,533)	(1,482)
Gain on other sale of assets	0	(18,101)
Share based compensation	1,868	864
Changes in operating assets and liabilities, net	(183,015)	(343,035)
Other operating activities, net	(259)	4,323
Net cash used by operating activities	(148,405)	(307,285)
Investing activities
Purchases of property, plant and equipment	(18,181)	(32,529)
Proceeds from sale of property, plant and equipment	2,392	1,891
Proceeds on other sales of assets	0	34,820
Other investing activities, net	251	825
Net cash provided (used) by investing activities	(15,538)	5,007
Financing activities
Net proceeds from short-term borrowings	272,103	325,130
Proceeds from long-term borrowings	250,200	0
Repayment of long-term borrowings	(258,182)	(49,056)
Debt issuance cost	(5,271)	(3,704)
Debt retirement cost	0	(1,687)
Repurchase of common stock	0	(9,042)
Other financing activities, net	0	106
Net cash provided by financing activities	258,850	261,747
Effect of exchange rate changes on cash	1,162	(383)
Increase (decrease) in cash and cash equivalents	96,069	(40,914)
Cash and cash equivalents at beginning of period	43,506	129,738
Cash and cash equivalents at end of period	$ 139,575	$ 88,824