CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Operating activities
Net income (loss)	$ 9,305	$ 31,893
Adjustments to reconcile net income to net cash used by operating activities:
Depreciation and amortization	24,241	20,872
Debt amortization/interest	11,080	10,076
Debt retirement expense		4,584
Restructuring cost	792	11,547
(Gain) loss on foreign currency transactions	12,607	(10,116)
Gain on sale of property, plant and equipment	(2,504)	(2,361)
Gain on other sale of assets	(13,072)	(37,525)
Stock-based compensation	2,558	1,510
Changes in operating assets and liabilities, net	(100,274)	(131,824)
Other operating activities, net	1,537	5,394
Net cash used by operating activities	(53,730)	(95,950)
Investing activities
Purchases of property, plant and equipment	(34,159)	(52,480)
Proceeds from sale of property, plant and equipment	2,617	2,882
Proceeds on other sales of assets		45,834
Other investing activities, net	622	1,135
Net cash used by investing activities	(30,920)	(2,629)
Financing activities
Net proceeds from short-term borrowings	208,525	55,023
Proceeds from long-term borrowings	305,200	121,000
Repayment of long-term borrowings	(318,269)	(151,076)
Debt issuance cost	(6,207)	(3,717)
Debt retirement cost		(2,262)
Repurchase of common stock		(9,042)
Other financing activities, net	(82)	219
Net cash provided by financing activities	189,167	10,145
Effect of exchange rate changes on cash	2,624	97
Increase (decrease) in cash and cash equivalents	107,141	(88,337)
Cash and cash equivalents at beginning of period	43,506	129,738
Cash and cash equivalents at end of period	$ 150,647	$ 41,401