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Pension And Other Postretirement Benefit Plans (Tables)
 12 Months Ended
Mar. 31, 2016
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Assumptions Used To Compute Net Periodic Benefit Cost And Benefit Obligations
Assumptions used for financial reporting purposes to compute net periodic benefit cost and benefit obligations for the Company's primary defined benefit plans were as follows:
 
Pension Benefits
 
Other Postretirement Benefits
 
2016
  
2015
  
2014
 
2016
  
2015
  
2014
Discount rates:
 
  
 
  
 
 
 
  
 
  
 
Benefit cost for plan year
3.80
%
  
4.50
%
  
4.20
%
 
3.70
%
  
4.30
%
  
3.90
%
Benefit obligation at end of plan year
4.10
%
  
3.80
%
  
4.50
%
 
3.80
%
  
3.70
%
  
4.30
%
Expected long-term return on plan assets:
 
 
 
 
 
 
 
 
 
 
 
Benefit cost for plan year
7.25
%
  
7.75
%
  
8.00
%
 
3.00
%
  
4.30
%
  
4.30
%
Benefit obligation at end of plan year
7.00
%
 
7.25
%
 
7.75
%
 
3.00
%
 
3.00
%
 
4.30
%
Salary scale:
 
  
 
  
 
 
 
  
 
  
 
Benefit cost for plan year
4.50
%
 
4.50
%
 
5.00
%
 
4.50
%
 
4.50
%
 
5.00
%
Benefit obligation at end of plan year
4.00
%
 
4.50
%
 
4.50
%
 
4.00
%
 
4.50
%
 
4.50
%
Healthcare cost trend rate
N/A

  
N/A

  
N/A

 
7.00
%
  
7.20
%
  
7.40
%
Benefit Obligations, Plan Assets, And Funded Status
The following table reflects the changes in benefit obligations and plan assets in 2016 and 2015, as well as the funded status of the plans at March 31, 2016 and 2015:
 
Pension
 Benefits
  
Other Postretirement Benefits
 
March 31,
 
March 31,
 
2016
 
2015
 
2016
 
2015
Actuarial present value of benefit obligation:
 
 
 
 
 
 
 
Accumulated benefit obligation
$
273,479

  
$
287,133

 
 
 
 
Projected benefit obligation
275,505

  
288,908

 
$
37,225

 
$
40,863

 
 
 
 
 
 
 
 
Change in projected benefit obligation:
 
 
 
 
 
 
 
Projected benefit obligation, beginning of year
$
288,908

 
$
259,928

 
$
40,863

 
$
41,846

Service cost
5,953

 
5,099

 
286

 
347

Interest cost
10,037

 
11,215

 
1,539

 
1,699

Effect of discount rate change
(10,036
)
 
30,744

 
(402
)
 
2,669

Foreign currency exchange rate changes
330

 
(6,033
)
 
(215
)
 
(444
)
Curtailment
—

 
—

 
—

 
(1,465
)
Other
(486
)
 
2,879

 
(1,104
)
 
(788
)
Benefit payments
(19,201
)
 
(14,924
)
 
(3,742
)
 
(3,001
)
Projected benefit obligation, end of year
$
275,505

 
$
288,908

 
$
37,225

 
$
40,863

 
 
 
 
 
 
 
 
Change in plan assets:
 
 
 
 
 
 
 
Plan assets at fair value, beginning of year
$
224,553

 
$
213,282

 
$
2,115

 
$
2,535

Actual return on plan assets
61

 
23,486

 
69

 
73

Employer contributions
12,504

 
8,063

 
3,123

 
2,508

Foreign currency exchange rate changes
(58
)
 
(5,354
)
 
—

 
—

Benefit payments
(19,201
)
 
(14,924
)
 
(3,742
)
 
(3,001
)
Plan assets at fair value, end of year
$
217,859

 
$
224,553

 
$
1,565

 
$
2,115

 
 
 
 
 
 
 
 
Funded status:
 
 
 
 
 
 
 
Funded status of the plans, end of year
$
(57,646
)
  
$
(64,355
)
  
$
(35,660
)
 
$
(38,748
)
Funded Status In Consolidated Balance Sheets
The funded status of the Company’s plans at the end of fiscal years 2016 and 2015 was reported in the consolidated balance sheets as follows:
 
Pension
Benefits
 
Other Postretirement Benefits
 
March 31,
 
March 31,
 
2016
 
2015
 
2016
 
2015
Non-current asset (included in other noncurrent assets)
$
2,044

 
$
1,900

 
$
—

 
$
—

Current liability (included in accounts payable and accrued expenses)
(630
)
 
(5,458
)
 
(2,543
)
 
(2,497
)
Non-current liability (reported as pensions and other postretirement benefits)
(59,060
)
 
(60,797
)
 
(33,117
)
 
(36,251
)
Amounts recognized in the consolidated balance sheets
$
(57,646
)
 
$
(64,355
)
 
$
(35,660
)
 
$
(38,748
)
Additional Information On Funded Status
Additional information on the funded status of the Company’s plans as of the respective measurement dates for the fiscal years ended March 31, 2016 and 2015, is as follows:
 
Pension
 Benefits
 
Other Postretirement Benefits
 
March 31,
 
March 31,
 
2016
 
2015
 
2016
 
2015
For plans with a projected benefit obligation in excess of plan assets:
 
 
 
 
 
 
 
Aggregate projected benefit obligation (PBO)
$
270,058

 
$
283,070

 
$
37,225

 
$
40,863

Aggregate fair value of plan assets
210,368

 
216,815

 
1,565

 
2,115

For plans with an accumulated benefit obligation in excess of plan assets:
 
 
 
 
 
 
 
Aggregate accumulated benefit obligation (ABO)
268,087

 
281,354

 
N/A

 
N/A

Aggregate fair value of plan assets
210,368

 
216,815

 
N/A

 
N/A
Components Of Company's Net Periodic Benefit Cost
The components of the Company’s net periodic benefit cost were as follows:
 
Pension Benefits
 
Other Postretirement Benefits
 
Fiscal Year Ended March 31,
 
Fiscal Year Ended March 31,
 
2016
 
2015
 
2014
 
2016
 
2015
 
2014
Components of net periodic benefit cost:
 
 
 
 
 
 
 
 
 
 
 
Service cost
$
5,953

 
$
5,099

 
$
5,190

 
$
286

 
$
347

 
$
527

Interest cost
10,037

 
11,215

 
12,223

 
1,539

 
1,699

 
2,106

Expected return on plan assets
(15,110
)
 
(15,493
)
 
(14,218
)
 
(58
)
 
(102
)
 
(119
)
Curtailment gain
—

 
—

 
—

 
—

 
(1,465
)
 
—

Settlement cost
—

 
—

 
1,094

 
—

 
—

 
—

Net amortization and deferral
4,394

 
6,169

 
6,779

 
(431
)
 
(671
)
 
(5
)
Net periodic benefit cost
$
5,274

 
$
6,990

 
$
11,068

 
$
1,336

 
$
(192
)
 
$
2,509
Recognized In Accumulated Other Comprehensive Income (Loss) On Pretax Basis
The amounts recognized in other comprehensive income or loss for fiscal years 2016 and 2015 and the amounts included in accumulated other comprehensive loss at the end of those fiscal years are shown below. All amounts shown are before allocated income taxes.
 
Pension
 Benefits
 
Other Postretirement Benefits
 
March 31,
 
March 31,
 
2016
 
2015
 
2016
 
2015
Change in net actuarial loss (gain):
 
 
 
 
 
 
 
Net actuarial loss (gain), beginning of year
$
81,544

 
$
70,488

 
$
(6,402
)
 
$
(9,952
)
Losses (gains) arising during the year
4,787

 
23,353

 
(1,263
)
 
2,879

Amortization included in net periodic benefit cost during the year
(7,032
)
 
(12,297
)
 
431

 
671

Net actuarial loss (gain), end of year
79,299

 
81,544

 
(7,234
)
 
(6,402
)
 
 
 
 
 
 
 
 
Change in prior service cost (benefit):
 
 
 
 
 
 
 
Prior service cost (benefit), beginning of year
(17,630
)
 
(22,998
)
 
—

 
—

   Prior service cost (benefit) arising during the year
111

 
(675
)
 
(108
)
 
—

Amortization included in net periodic benefit cost during the year
2,458

 
6,043

 
—

 
—

Prior service cost (benefit), end of year
(15,061
)
 
(17,630
)
 
(108
)
 
—

 
 
 
 
 
 
 
 
Total amounts in accumulated other comprehensive loss
at end of year, before income taxes
$
64,238

 
$
63,914

 
$
(7,342
)
 
$
(6,402
)
Weighted-Average Target Pension Asset Allocation And Target Ranges By Major Asset Category
The weighted–average target pension asset allocation and target ranges at the March 31, 2016 measurement date and the actual asset allocations at the March 31, 2016 and 2015 measurement dates by major asset category were as follows:
 
 
 
 
 
 
 
Actual Allocation
 
Target Allocation
 
 
 
 
 
March 31,
Major Asset Category
 
Range
 
2016
 
2015
Equity securities
26.0
%
 
16
%
-
36%
 
22.4
%
 
25.3
%
Fixed income securities (1) 
69.0
%
 
59
%
-
79%
 
71.5
%
 
69.1
%
Alternative investments
5.0
%
 
0
%
-
10%
 
6.1
%
 
5.6
%
Total
100.0
%
 
 
 
 
 
100.0
%
 
100.0
%
Estimated Future Benefit Payments
Estimated future benefit payments to be made from the Company’s plans are as follows:
Fiscal Year
Pension
Benefits
 
Other
Postretirement
Benefits
2017
$
14,305

 
$
2,944

2018
17,223

 
2,854

2019
22,358

 
2,874

2020
16,271

 
2,832

2021
16,799

 
2,807

2022 - 2026
90,913

 
12,915
Fair Values Of The Assets Under Fair Value Hierarchy
Fair values of the assets of the Company’s pension plans as of March 31, 2016 and 2015, classified based on how their values were determined under the fair value hierarchy are as follows:
 
March 31, 2016
 
Level 1
 
Level 2
 
Level 3
 
Total
Equity securities
$
43,807

 
$
—

 
$
—

 
$
43,807

Fixed income securities (1) 
141,218

 
7,491

 
13,382

 
162,091

Alternative investments
—

 
—

 
11,961

 
11,961

Total investments
$
185,025

 
$
7,491

 
$
25,343

 
$
217,859

 
March 31, 2015
 
Level 1
 
Level 2
 
Level 3
 
Total
Equity securities
$
51,300

 
$
—

 
$
—

 
$
51,300

Fixed income securities (1) 
141,655

 
7,738

 
12,424

 
161,817

Alternative investments
—

 
—

 
11,436

 
11,436

Total investments
$
192,955

 
$
7,738

 
$
23,860

 
$
224,553