Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000939930 (http://www.sec.gov/CIK)

Income Tax Disclosure [Abstract]	Period [Axis]
	2015-04-01 - 2016-03-31
Income Tax Disclosure [Abstract]
Summary of Income Tax Contingencies	The following table presents the changes to unrecognized tax benefits during the years ended March 31, 2016, 2015 and 2014:        2016 2015 2014 Balance at April 1 $ 17,752 $ 12,635 $ 8,678 Increase for current year tax positions 24 7,260 4,191 Reduction for prior year tax positions (223 ) (1,055 ) (111 ) Impact of changes in exchange rates (878 ) (1,088 ) (123 ) Reduction for settlements — — — Balance at March 31 $ 16,675 $ 17,752 $ 12,635
Schedule of Income before Income Tax, Domestic and Foreign	The components of income (loss) before income taxes, equity in net income of investee companies and minority interests consisted of the following:        Years Ended March 31,   2016 2015 2014 U.S. $ (55,073 ) $ (24,749 ) $ (91,290 ) Non-U.S. 146,747 15,810 29,595 Total $ 91,674 $ (8,939 ) $ (61,695 )
Schedule of Components of Income Tax Expense (Benefit)	The details of the amount shown for income taxes in the Consolidated Statements of Operations follow:        Years Ended March 31,   2016 2015 2014 Current           Federal $ — $ — $ —     State — — —     Non-U.S. 26,476 19,850 24,980   $ 26,476 $ 19,850 $ 24,980 Deferred           Federal $ — $ — $ —     State — — —     Non-U.S. 5,739 2,068 16,261   $ 5,739 $ 2,068 $ 16,261 Total $ 32,215 $ 21,918 $ 41,241
Schedule of Effective Income Tax Rate Reconciliation	The reasons for the difference between income tax expense based on income before income taxes, equity in net income of investee companies and minority interests and the amount computed by applying the U.S. statutory federal income tax rate to such income are as follows:   Years Ended March 31,   2016 2015 2014 Tax expense at U.S. statutory rate $ 32,086 $ (3,129 ) $ (21,594 ) Effect of non-U.S. income taxes (15,131 ) 647 7,377 U.S. taxes on non-U.S. income 23,734 14,768 (274 ) Foreign tax credits expiration 47,552 — — Change in valuation allowance (47,135 ) (14,908 ) 25,080 Increase (decrease) in reserves for uncertain tax positions (1,203 ) 5,227 3,971 Change in tax rates 2,480 — — Exchange effects and currency translation 15,492 14,308 26,884 Permanent items 891 5,005 (203 ) Nontaxable gain - Zimbabwe subsidiary reconsolidation (26,551 ) — — Actual tax expense $ 32,215 $ 21,918 $ 41,241
Schedule of Deferred Tax Assets and Liabilities	The deferred tax liabilities (assets) are comprised of the following:   March 31, 2016 March 31, 2015 Deferred tax liabilities:     Unremitted earnings of foreign subsidiaries $ 27,641 $ 22,043      Intangible assets 9,334 6,415      Fixed assets 11,435 3,488 Total deferred tax liabilities $ 48,410 $ 31,946 Deferred tax assets:          Reserves and accruals $ (23,870 ) $ (29,610 )      Tax credits (8,191 ) (55,744 )      Tax loss carryforwards (104,337 ) (105,345 )      Derivative transactions (892 ) (567 )      Postretirement and other benefits (30,635 ) (34,388 )      Unrealized exchange loss (12,645 ) (10,057 )      Other (8,207 ) (4,926 ) Gross deferred tax assets (188,777 ) (240,637 ) Valuation allowance 118,518 169,804 Total deferred tax assets $ (70,259 ) $ (70,833 ) Net deferred tax asset $ (21,849 ) $ (38,887 )
Schedule of Current and Non Current Tax Assets and Liabilities	The following table presents the breakdown between current and non-current (assets) liabilities:   March 31, 2016 March 31, 2015 Current asset $ — $ (15,586 ) Current liability — 6,356 Non-current asset (38,773 ) (32,111 ) Non-current liability 16,924 2,454 Net deferred tax asset $ (21,849 ) $ (38,887 )