Employee Benefit Plans and Postretirement Health Care and Life Insurance Benefits (Tables)

12 Months Ended

Mar. 31, 2013

Defined Benefit Plan Disclosure [Line Items]

Schedule of assumptions used

Disclosure Assumptions:	Pension				Other Post-Retirement
	Benefits				Benefits
Weighted-average assumptions as of:	March 31, 2013		March 31, 2012		March 31, 2013		March 31, 2012
Discount rate	4.2	%	4.5	%	4.0	%	4.3	%
Rate of compensation increase	2.5	%	2.5	%	n/a		n/a
Expense Assumptions:	Pension						Other Post-Retirement
	Benefits / Expense						Benefits / Expense
Weighted-average assumptions for:	FY 2013		FY 2012		FY 2011		FY 2013		FY 2012		FY 2011
Discount rate	4.5	%	5.4	%	5.5	%	4.3	%	5.1	%	5.7	%
Expected return on plan assets	6.2	%	7.1	%	7.2	%	n/a		n/a		n/a
Rate of compensation increase	2.5	%	2.6	%	2.9	%	n/a		n/a		n/a

Schedule of amounts in accumulated other comprehensive income that have not yet been recognized

The changes in plan assets and benefit obligations recognized in other comprehensive income (loss) at March 31, 2013 are as follows:

	Pension Benefits			Other Post Retirement Benefits
	(in thousands)
Net loss arising during the year	$	12,948		$	1,097
Net prior service cost during the year	(62		)	490
Net loss recognized during the year	(2,172		)	(642		)
Exchange rate loss recognized during the year	(396		)	(107		)
Total	$	10,318		$	838

Schedule of amounts in accumulated other comprehensive income expected to be recognized over the next fiscal year

The amounts in accumulated other comprehensive loss expected to be amortized from accumulated other comprehensive income into net periodic benefit cost in the next fiscal year are as follows:

	Pension Benefits		Other Post Retirement Benefits
	(in thousands)
Amortization of:
Prior service cost/(credit)	$	62	$	(490	)
Net loss	3,118		682
Total	$	3,180	$	192

Schedule of expected future benefit payments

Expected future benefit payments are as follows:

			Other Post- Retirement
Fiscal Year	Pension Benefits		Gross Expected Benefit Payments
	(In thousands)
2014	$	40,931	$	1,894
2015	37,012		1,815
2016	37,893		1,777
2017	38,467		1,767
2018	40,125		1,725
2019 to 2023	207,940		7,826

Schedule of asset allocation for pension plans

The following table summarizes the investments that comprise the assets of the Company’s pension plans (see Note 9), all of which are measured at fair value on a recurring basis, and the basis for that measurement:

	Total Fair Value Measurement		Quoted Price in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
March 31, 2013
Cash and cash equivalents	$	11,536	$	11,536	$	—	$	—
Equity funds - U.S.-based companies	87,466		—		87,466		—
Equity funds - international-based companies	113,655		—		113,655		—
Fixed income funds	282,582		—		282,582		—
Other	2,336		—		2,336		—
Total pension assets	$	497,575	$	11,536	$	486,039	$	—
March 31, 2012
Cash and cash equivalents	$	6,067	$	6,067	$	—	$	—
Equity funds - U.S.-based companies	79,800		—		79,800		—
Equity funds - international-based companies	105,157		—		105,157		—
Fixed income funds	277,528		—		277,528		—
Other	3,764		—		3,764		—
Total pension assets	$	472,316	$	6,067	$	466,249	$	—

Pension Benefits

Defined Benefit Plan Disclosure [Line Items]

Schedule of the plans' funded status and the amounts recognized in the consolidated financial statements

The following tables set forth the plans’ funded status and the amounts recognized in the Company’s Consolidated Financial Statements at March 31, 2013 and 2012:

Pension Benefits:
	Fiscal Year Ended
	March 31, 2013			March 31, 2012
	(In thousands)
Change in benefit obligation:
Benefit obligation at beginning of period	$	686,725		$	633,486
Service cost	2,384			2,231
Interest cost	29,711			33,076
Actuarial loss (gain)	31,284			65,599
Plan participants’ contributions	221			258
Benefits paid	(35,392		)	(35,846		)
Currency translation	(13,586		)	(9,823		)
Settlements and other	(3,812		)	(2,256		)
Benefit obligation at end of period	$	697,535		$	686,725
Change in plan assets:
Fair value of plan assets at beginning of period	$	472,316		$	444,079
Actual return on plan assets	47,348			39,560
Employer contributions	25,400			27,267
Plan participants’ contributions	221			258
Benefits paid	(35,392		)	(35,846		)
Currency translation	(8,505		)	(746		)
Settlements and other	(3,811		)	(2,256		)
Fair value of plan assets at end of period	$	497,577		$	472,316
Reconciliation of funded status:
Benefit obligation at end of period	$	697,535		$	686,725
Fair value of plan assets at end of period	497,577			472,316
Funded status	$	(199,958	)	$	(214,409	)
Amounts recognized in Statement of Financial Position:
Noncurrent other assets	$	17,655		$	7,474
Accrued expenses	(8,340		)	(8,822		)
Noncurrent retirement obligations	(209,273		)	(213,061		)
Net amount recognized at end of period	$	(199,958	)	$	(214,409	)
Amounts recognized in accumulated other comprehensive loss:
Prior service cost	$	799		$	896
Net actuarial loss	108,916			98,501
Net amount recognized in accumulated other comprehensive loss	$	109,715		$	99,397

Schedule of the plans' expenses

The following tables set forth the plans’ expenses recognized in the Company’s Consolidated Financial Statements:

	Pension Benefits
	Fiscal Year Ended
	March 31, 2013			March 31, 2012			March 31, 2011
	(In thousands)
Components of net periodic benefit cost:
Service cost	$	2,384		$	2,231		$	3,168
Interest cost	29,711			33,076			33,357
Expected return on plan assets	(29,012		)	(31,214		)	(28,862		)
Amortization of:
Prior service cost	62			88			221
Actuarial loss	2,019			665			1,037
Net periodic benefit cost	$	5,164		$	4,846		$	8,921

Schedule of asset allocation for pension plans

The asset allocation for the Company’s pension plans by asset category are as follows:

	Percentage of Plan Assets at Year End
	March 31, 2013		March 31, 2012
Cash and cash equivalents	1	%	1	%
Equity securities	40	%	39	%
Fixed income securities	57	%	59	%
Other	2	%	1	%
Total	100	%	100	%

Other Post-Retirement Benefits

Defined Benefit Plan Disclosure [Line Items]

Schedule of the plans' funded status and the amounts recognized in the consolidated financial statements

Other Post-Retirement Benefits:
	Fiscal Year Ended
	March 31, 2013			March 31, 2012
	(in thousands)
Change in benefit obligation:
Benefit obligation at beginning of period	$	25,153		$	23,332
Service cost	700			516
Interest cost	1,046			1,123
Actuarial loss	1,097			2,467
Plan participants’ contributions	120			115
Benefits paid	(1,859		)	(2,132		)
Currency translation	(232		)	(268		)
Benefit obligation at end of period	$	26,025		$	25,153
Change in plan assets:
Fair value of plan assets at beginning of period	$	—		$	—
Employer contributions	1,739			2,017
Plan participants’ contributions	120			115
Benefits paid	(1,859		)	(2,132		)
Fair value of plan assets at end of period	$	—		$	—
Reconciliation of funded status:
Benefit obligation at end of period	$	26,025		$	25,153
Fair value of plan assets at end of period	—			—
Funded status	$	(26,025	)	$	(25,153	)
Amounts recognized in statement of financial position:
Accrued expenses	$	(1,894	)	$	(1,902	)
Noncurrent retirement obligations	(24,131		)	(23,251		)
Net amount recognized at end of period	$	(26,025	)	$	(25,153	)
Amounts recognized in accumulated other comprehensive (income) loss:
Prior service credit	$	(2,950	)	$	(3,440	)
Net actuarial loss	10,478			10,130
Net amount recognized in accumulated other comprehensive loss:	$	7,528		$	6,690

Schedule of the plans' expenses

	Other Post-Retirement Benefits
	Fiscal Year Ended
	March 31, 2013			March 31, 2012			March 31, 2011
	(In thousands)
Components of net periodic benefit cost:
Service cost	$	700		$	516		$	185
Interest cost	1,046			1,123			1,020
Amortization of:
Prior service cost	(490		)	(490		)	(490		)
Actuarial loss (gain)	642			498			110
Net periodic benefit cost	$	1,898		$	1,647		$	825

Schedule of effect of a one-percentage-point change in assumed health care cost trend rates

A one-percentage-point change in assumed health care cost trend rates would have the following effects:

	One Percentage- Point Increase		One Percentage- Point Decrease
	(In thousands)
Effect on total of service and interest cost components	$	348	$	263
Effect on the postretirement benefit obligation	$	2,798	$	2,281