Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash Flows From Operating Activities:
Net loss	$ (135,516)	$ 58,477
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	58,873	63,990
Net (gain) loss on asset sales/ impairments	9,534	1,618
Deferred income taxes	93,523	(78,340)
Provision for doubtful accounts	948	986
Non-cash stock compensation	3,916	3,684
Amortization of deferred financing costs	3,202	3,233
Currency remeasurement loss	(1,616)	12,949
Changes in assets and liabilities
Receivables	(44,221)	(10,804)
Inventories	(70,861)	(32,200)
Other current assets	(6,619)	1,219
Payables	52,814	(24,326)
Accrued expenses	9,645	(886)
Other noncurrent liabilities	(10,214)	(11,447)
Other, net	(1,582)	10,159
Net cash used in operating activities	(38,174)	(1,688)
Cash Flows From Investing Activities:
Capital expenditures	(74,838)	(71,931)
Proceeds from assets sales	4,359	563
Net cash used in investing activities	(70,479)	(71,368)
Cash Flows From Financing Activities:
Increase in short-term borrowings	41,137	13,722
Decrease in other debt	(6,810)	5,439
Acquisition of noncontrolling interests / other	(779)	(486)
Net cash provided by financing activities	33,548	18,675
Effect of exchange rate changes on cash and cash equivalents	(248)	(4,314)
Net decrease in cash and cash equivalents	(75,353)	(58,695)
Cash and cash equivalents, beginning of period	155,368	161,363
Cash and cash equivalents, end of period	80,015	102,668
Cash paid during the period
Interest	35,423	37,357
Income taxes (net of refunds)	$ 7,350	$ 21,698