Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Condensed Consolidated Statements of Cash Flows
Net income (loss)	$ (56,931)	$ 18,396
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	33,679	33,384
Amortization of debt discount and debt issuance costs	3,046	2,903
Net (gain) loss on sales and disposals of assets	(123)	92
Stock-based compensation expense	3,584	1,378
Goodwill impairment	1,092
Write down of long-lived assets	7,318	15,786
Net curtailment and settlement (gain) loss on benefit plans	(1,088)
Change in deferred income taxes	1,517	909
Change in operating assets	(5,576)	46,330
Change in operating liabilities	(28,173)	(48,116)
Other	33	841
Net cash provided by (used in) operating activities	(41,622)	71,903
Investing activities:
Capital expenditures	(38,349)	(31,793)
Change in restricted cash	(24,000)
Acquisition, net of cash received		(11,584)
Net cash used in investing activities	(62,349)	(43,377)
Financing activities:
Proceeds from issuance of debt	39,825
Deferred acquisition payments	(6,617)
Payments of long-term debt	(1,901)	(40,581)
Net borrowings (payments) under other credit facilities		(3,153)
Proceeds from exercise of stock options	58	225
Debt issuance costs	(275)	(36)
Net cash provided by (used in) financing activities	31,090	(43,545)
Net decrease in cash and cash equivalents	(72,881)	(15,019)
Effect of foreign currency fluctuations on cash	(81)	(983)
Cash and cash equivalents at beginning of fiscal period	210,521	152,051
Cash and cash equivalents at end of fiscal period	$ 137,559	$ 136,049