Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating Activities
Net loss	$ (10,342)	$ (30,351)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	9,806	15,431
Amortization of acquired contract liability	(523)	(1,214)
Loss on sale of assets and businesses		5,969
Curtailments, settlements, and special termination benefits loss, net		16,078
Other amortization included in interest expense	1,562	4,002
Provision for (recovery of) credit losses	200	(28)
Share-based compensation	1,578	2,247
Changes in other assets and liabilities, excluding the effects of acquisitions and divestitures:
Trade and other receivables	4,474	(1,321)
Contract assets	(8,638)	(4,426)
Inventories	(19,190)	(9,354)
Prepaid expenses and other current assets	(7,538)	(3,633)
Accounts payable, accrued expenses, and contract liabilities	(56,352)	(128,922)
Accrued pension and other postretirement benefits	(8,322)	(13,713)
Other, net	255	(279)
Net cash used in operating activities	(93,030)	(149,514)
Investing Activities
Capital expenditures	(3,044)	(2,112)
(Payments on) proceeds from sale of assets and businesses	(2,322)	180,478
Purchase of facility related to divested businesses		(21,550)
Net cash (used in) provided by investing activities	(5,366)	156,816
Financing Activities
Retirement of debt and finance lease obligations	(990)	(350,688)
Premium on redemption of first lien notes		(7,489)
Repurchase of shares for share-based compensation minimum tax obligation	(3,442)	(2,336)
Net cash used in financing activities	(4,432)	(360,513)
Effect of exchange rate changes on cash	(3,414)	815
Net change in cash and cash equivalents	(106,242)	(352,396)
Cash and cash equivalents at beginning of period	240,878	589,882
Cash and cash equivalents at end of period	$ 134,636	$ 237,486