Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating Activities
Net Income (Loss) Attributable to Parent	$ 19,734	$ 62,732
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	45,462	43,534
Amortization of acquired contract liabilities	(29,349)	(35,098)
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements	0	2,863
Other amortization included in interest expense	1,284	969
Provision for doubtful accounts receivable	(207)	(294)
Provision for deferred income taxes	4,996	20,463
Employee stock-based compensation	1,956	792
Changes in assets and liabilities, excluding the effects of acquisitions and dispositions of businesses:
Trade and other receivables	55,413	(33,592)
Inventories	(123,589)	(166,590)
Prepaid expenses and other current assets	15,096	4,573
Accounts payable, accrued expenses and other current liabilities	(47,419)	(24,384)
Accrued pension and other postretirement benefits	(24,558)	(19,991)
Other	(2,854)	(4,367)
Net cash (used in) provided by operating activities	(84,035)	(148,390)
Investing Activities
Capital expenditures	(12,723)	(18,016)
Proceeds from sale of assets	948	554
Acquisitions, net of cash acquired	9	(5,986)
Net cash used in investing activities	(11,766)	(23,448)
Financing Activities
Net increase in revolving credit facility	174,091	96,541
Proceeds from issuance of long-term debt	0	98,932
Repayment of debt and capital lease obligations	(46,989)	(16,026)
Payment of deferred financing costs	(10,689)	(71)
Dividends paid	(1,981)	(1,971)
Repayments of government grant	(7,285)	(82)
Repurchase of restricted shares for minimum tax obligation	(171)	(96)
Net cash (used in) provided by financing activities	106,976	177,227
Effect of exchange rate changes on cash	(860)	1,665
Net change in cash and cash equivalents	10,315	7,054
Cash at beginning of period	20,984	32,617
Cash at end of period	$ 31,299	$ 39,671