Income Taxes (Tables)

12 Months Ended

Mar. 31, 2015

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, 2015, 2014 and 2013:

	2015			2014			2013
Balance at April 1	$	10,152		$	7,874		$	11,804
Increase for current year tax positions	6,959			2,512			1,661
Reduction for prior year tax positions	(161		)	(111		)	(1,960		)
Impact of changes in exchange rates	(749		)	(123		)	(131		)
Reduction for settlements	—			—			(3,500		)
Balance at March 31	$	16,201		$	10,152		$	7,874

Schedule of Income before Income Tax, Domestic and Foreign

The components of income before income taxes, equity in net income of investee companies and minority interests consisted of the following:

	Years Ended March 31,
	2015			2014			2013
U.S.	$	(24,749	)	$	(91,290	)	$	(44,731	)
Non-U.S.	29,268			43,170			95,798
Total	$	4,519		$	(48,120	)	$	51,067

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,
	2015		2014		2013
Current
Federal	$	—	$	—	$	(2,723	)
State	—		—		—
Non-U.S.	20,374		22,877		5,999
	$	20,374	$	22,877	$	3,276
Deferred
Federal	$	—	$	—	$	3,466
State	—		—		—
Non-U.S.	2,565		16,065		21,250
	$	2,565	$	16,065	$	24,716
Total	$	22,939	$	38,942	$	27,992

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,
	2015			2014			2013
Tax expense at U.S. statutory rate	$	1,582		$	(16,842	)	$	17,873
Effect of non-U.S. income taxes	(2,754		)	4,209			(1,921		)
U.S. taxes on non-U.S. income	22,043			—			—
Change in valuation allowance	(20,701		)	23,732			26,598
Increase (decrease) in reserves for uncertain tax positions	5,951			2,046			(11,781		)
Exchange effects and currency translation	14,208			26,885			(1,482		)
Permanent items	2,610			(1,088		)	(1,295		)
Actual tax expense	$	22,939		$	38,942		$	27,992

Schedule of Deferred Tax Assets and Liabilities

The deferred tax liabilities (assets) are comprised of the following:

	March 31, 2015			March 31, 2014
Deferred tax liabilities:
Unremitted earnings of foreign subsidiaries	$	22,043		$	—
Intangible assets	6,415			7,048
Fixed assets	3,488			5,608
Total deferred tax liabilities	$	31,946		$	12,656
Deferred tax assets:
Reserves and accruals	$	(29,610	)	$	(35,747	)
Tax credits	(55,744		)	(52,624		)
Tax loss carryforwards	(102,103		)	(115,280		)
Derivative transactions	(567		)	(1,567		)
Postretirement and other benefits	(34,388		)	(31,040		)
Unrealized exchange loss	(10,057		)	(1,522		)
Other	(7,694		)	(3,097		)
Gross deferred tax assets	(240,163		)	(240,877		)
Valuation allowance	170,937			188,752
Total deferred tax assets	$	(69,226	)	$	(52,125	)
Net deferred tax asset	$	(37,280	)	$	(39,469	)

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, 2015			March 31, 2014
Current asset	$	(15,587	)	$	(10,013	)
Current liability	4,672			5,682
Non-current asset	(31,649		)	(40,926		)
Non-current liability	5,284			5,788
Net deferred tax asset	$	(37,280	)	$	(39,469	)