Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating Activities
Net (loss) income	$ (309,275)	$ 59,158	[1]
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	50,700	74,269	[1]
Impairment of long-lived assets	252,382
Amortization of acquired contract liability	(28,150)	(39,556)
Loss (gain) on sale of assets and businesses	747	(4,829)	[1]
Curtailments and special termination benefits gain, net		(14,373)
Other amortization included in interest expense	19,721	6,955
Provision for credit losses	4,689	1,140
Provision for deferred income taxes		15,159
Share-based compensation	5,407	5,290
Changes in other assets and liabilities, excluding the effects of acquisitions and divestitures:
Trade and other receivables	117,434	29,436
Contract assets	15,871	33,930
Inventories	(26,945)	(41,807)
Prepaid expenses and other current assets	2,938	16,209
Accounts payable, accrued expenses, and contract liabilities	(319,444)	(121,112)
Accrued pension and other postretirement benefits	(24,920)	(30,483)
Other, net	(878)	21
Net cash used in operating activities	(239,723)	(10,593)
Investing Activities
Capital expenditures	(12,804)	(16,995)
Proceeds from (payments on) sale of assets and businesses	1,521	(574)
Net cash used in investing activities	(11,283)	(17,569)
Financing Activities
Net decrease in revolving credit facility	(400,000)	(147,615)
Proceeds from issuance of long-term debt	713,900	546,000
Retirement of debt and finance lease obligations	(92,843)	(415,447)
Payment of deferred financing costs	(17,342)	(16,275)
Dividends paid		(4,001)
Repurchase of restricted shares for minimum tax obligations	(495)	(1,048)
Net cash provided by (used in) financing activities	203,220	(38,386)
Effect of exchange rate changes on cash	2,534	(1,407)
Net change in cash and cash equivalents	(45,252)	(67,955)
Cash and cash equivalents at beginning of period	485,463	92,807
Cash and cash equivalents at end of period	$ 440,211	$ 24,852

[1] As adjusted; refer to Note 1.