Income Taxes (Tables)

12 Months Ended

Mar. 31, 2013

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, 2013, 2012 and 2011:

	2013			2012			2011
Balance at April 1	$	11,804		$	9,019		$	9,004
Increase for current year tax positions	1,661			58			3,500
Increases (reductions) for prior year tax positions	(1,960		)	3,030			5,539
Impact of changes in exchange rates	(131		)	(303		)	(63		)
Reduction for settlements	(3,500		)	—			(8,961		)
Balance at March 31	$	7,874		$	11,804		$	9,019

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,
	2013			2012			2011
U.S.	$	(44,731	)	$	(21,923	)	$	(51,092	)
Non-U.S.	95,798			76,081			83,941
Total.	$	51,067		$	54,158		$	32,849

Schedule of Components of Income Tax Expense (Benefit)

The details of the amount shown for income taxes in the Statements of Consolidated Operations follow:

	Years Ended March 31,
	2013			2012			2011
Current
Federal	$	(2,723	)	$	—		$	472
State	—			—			—
Non-U.S.	5,999			31,798			7,346
	$	3,276		$	31,798		$	7,818
Deferred
Federal	$	3,466		$	—		$	97,311
State	—			—			631
Non-U.S.	21,250			(6,759		)	1,700
	$	24,716		$	(6,759	)	$	99,642
Total	$	27,992		$	25,039		$	107,460

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,
	2013			2012			2011
Tax expense at U.S. statutory rate	$	17,873		$	18,955		$	11,497
Effect of non-U.S. income taxes	(1,921		)	(4,712		)	(7,322		)
Goodwill amortization	—			—			(4,640		)
Change in valuation allowance	26,598			1,617			111,679
Increase (decrease) in reserves for uncertain tax positions	(11,781		)	3,452			4,489
Exchange effects and currency translation	(1,482		)	3,958			(7,120		)
Permanent items	(1,295		)	1,769			(1,123		)
Actual tax expense	$	27,992		$	25,039		$	107,460

Schedule of Deferred Tax Assets and Liabilities

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

	March 31, 2013			March 31, 2012
Deferred tax liabilities:
Intangible assets	$	7,764		$	8,404
Fixed assets	7,192			10,662
Total deferred tax liabilities	$	14,956		$	19,066
Deferred tax assets:
Reserves and accruals	$	(44,030	)	$	(58,786	)
Tax credits	(52,965		)	(48,897		)
Tax loss carryforwards	(84,188		)	(64,624		)
Derivative transactions	(5,947		)	(10,775		)
Postretirement and other benefits	(35,858		)	(32,361		)
Unrealized exchange loss	(9,208		)	(14,530		)
Other	(12,279		)	(14,713		)
Gross deferred tax assets	(244,475		)	(244,686		)
Valuation allowance	168,489			143,345
Total deferred tax assets	$	(75,986	)	$	(101,341	)
Net deferred tax asset	$	(61,030	)	$	(82,275	)

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, 2013			March 31, 2012
Current asset	$	(16,776	)	$	(23,855	)
Current liability	5,395			5,464
Non-current asset	(56,045		)	(73,378		)
Non-current liability	6,396			9,494
Net deferred tax asset	$	(61,030	)	$	(82,275	)