Employee Benefit Plans (Tables)
|
12 Months Ended |
Mar. 31, 2015
|
Summary of Weighted Average Asset Allocation of Plan Assets by Asset Category |
The weighted average asset allocation of the plan assets by
asset category is as follows:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Target
Allocation |
|
|
March 31, |
|
|
|
|
2015 |
|
|
2014 |
|
Asset Category
|
|
|
|
|
|
|
|
|
|
|
|
|
Equity
securities
|
|
|
50-70 |
% |
|
|
66 |
% |
|
|
66 |
% |
Debt securities
|
|
|
20-50 |
% |
|
|
34 |
% |
|
|
34 |
% |
Other, including
cash
|
|
|
0-10 |
% |
|
|
— |
% |
|
|
— |
% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
100 |
% |
|
|
100 |
% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Pension Plans, Defined Benefit [Member] |
|
Components of Postretirement Benefit Income and Pension Cost |
The components of pension cost are:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Year ended
March 31, |
|
|
|
2015 |
|
|
2014 |
|
|
2013 |
|
Service cost during the
period
|
|
$ |
546 |
|
|
$ |
576 |
|
|
$ |
544 |
|
Interest cost on projected
benefit obligation
|
|
|
1,434 |
|
|
|
1,359 |
|
|
|
1,427 |
|
Expected return on
assets
|
|
|
(3,033 |
) |
|
|
(2,728 |
) |
|
|
(2,738 |
) |
Amortization of:
|
|
|
|
|
|
|
|
|
|
|
|
|
Unrecognized prior service
cost
|
|
|
4 |
|
|
|
4 |
|
|
|
4 |
|
Actuarial loss
|
|
|
580 |
|
|
|
1,002 |
|
|
|
1,011 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net pension (benefit)
cost
|
|
$ |
(469 |
) |
|
$ |
213 |
|
|
$ |
248 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Weighted Average Actuarial Assumptions Used to Determine and Develop Net Pension Cost |
The weighted average actuarial assumptions used to determine
net pension cost are:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Year ended
March 31, |
|
|
|
2015 |
|
|
2014 |
|
|
2013 |
|
Discount rate
|
|
|
4.46 |
% |
|
|
4.28 |
% |
|
|
4.76 |
% |
Rate of increase in
compensation levels
|
|
|
3.00 |
% |
|
|
3.00 |
% |
|
|
3.50 |
% |
Long-term rate of return on
plan assets
|
|
|
8.00 |
% |
|
|
8.00 |
% |
|
|
8.50 |
% |
|
Changes in Company's Benefit Obligation, Plan Assets and Funded Status for Plan |
Changes in the Company’s benefit obligation, plan assets
and funded status for the pension plan are presented
below:
|
|
|
|
|
|
|
|
|
|
|
Year ended
March 31, |
|
|
|
2015 |
|
|
2014 |
|
Change in the benefit
obligation
|
|
|
|
|
|
|
|
|
Projected benefit
obligation at beginning of year
|
|
$ |
32,789 |
|
|
$ |
32,278 |
|
Service cost
|
|
|
442 |
|
|
|
472 |
|
Interest cost
|
|
|
1,434 |
|
|
|
1,359 |
|
Actuarial loss
(gain)
|
|
|
5,573 |
|
|
|
(226 |
) |
Benefit payments
|
|
|
(1,186 |
) |
|
|
(1,094 |
) |
|
|
|
|
|
|
|
|
|
Projected benefit
obligation at end of year
|
|
$ |
39,052 |
|
|
$ |
32,789 |
|
|
|
|
|
|
|
|
|
|
|
Weighted Average Actuarial Assumptions Used to Determine and Develop Net Pension Cost |
The weighted average actuarial assumptions used to determine
the benefit obligation are:
|
|
|
|
|
|
|
|
|
|
|
March 31, |
|
|
|
2015 |
|
|
2014 |
|
Discount rate
|
|
|
3.74 |
% |
|
|
4.46 |
% |
Rate of increase in
compensation levels
|
|
|
3.00 |
% |
|
|
3.00 |
% |
|
|
Change in Fair Value of Plan Assets |
|
|
|
|
|
|
|
|
|
|
|
March 31, |
|
|
|
2015 |
|
|
2014 |
|
Change in fair value of
plan assets
|
|
|
|
|
|
|
|
|
Fair value of plan assets
at beginning of year
|
|
$ |
38,548 |
|
|
$ |
34,627 |
|
Employer
contribution
|
|
|
55 |
|
|
|
— |
|
Actual return on plan
assets
|
|
|
2,967 |
|
|
|
5,015 |
|
Benefit and administrative
expense payments
|
|
|
(1,186 |
) |
|
|
(1,094 |
) |
|
|
|
|
|
|
|
|
|
Fair value of plan assets
at end of year
|
|
$ |
40,384 |
|
|
$ |
38,548 |
|
|
|
|
|
|
|
|
|
|
|
|
Schedule of Funded Status |
|
|
|
|
|
|
|
|
|
|
|
March 31, |
|
|
|
2015 |
|
|
2014 |
Funded status
|
|
|
|
|
|
|
|
|
Funded status at end of
year
|
|
$ |
1,332 |
|
|
$ |
5,759 |
|
|
|
|
|
|
|
|
|
|
Amount recognized in the
Consolidated Balance Sheets
|
|
$ |
1,332 |
|
|
$ |
5,759 |
|
|
|
|
|
|
|
|
|
|
|
Summary of Amounts Recognized in Accumulated Other Comprehensive Loss (Income), Net of Income Tax |
Amounts recognized in accumulated other comprehensive loss, net
of income tax, consist of:
|
|
|
|
|
|
|
|
|
|
|
March 31, |
|
|
|
2015 |
|
|
2014 |
|
Net actuarial
loss
|
|
$ |
9,141 |
|
|
$ |
5,939 |
|
Prior service
cost
|
|
|
— |
|
|
|
2 |
|
|
|
|
|
|
|
|
|
|
|
|
$ |
9,141 |
|
|
$ |
5,941 |
|
|
|
|
|
|
|
|
|
|
|
Summary of Increase (Decrease) in Accumulated Other Comprehensive Loss, Net of Income Tax |
The increase (decrease) in accumulated other comprehensive
loss, net of income tax, consists of:
|
|
|
|
|
|
|
|
|
|
|
March 31, |
|
|
|
2015 |
|
|
2014 |
|
Net actuarial loss (gain)
arising during the year
|
|
$ |
3,578 |
|
|
$ |
(1,692 |
) |
Amortization of actuarial
loss
|
|
|
(375 |
) |
|
|
(647 |
) |
Amortization of prior
service cost
|
|
|
(3 |
) |
|
|
(3 |
) |
|
|
|
|
|
|
|
|
|
|
|
$ |
3,200 |
|
|
$ |
(2,342 |
) |
|
|
|
|
|
|
|
|
|
|
Summary of Benefit Payments, Which Reflect Future Service, are Expected to be Paid |
The following benefit payments, which reflect future service,
are expected to be paid:
|
|
|
|
|
2016
|
|
$ |
1,263 |
|
2017
|
|
|
1,370 |
|
2018
|
|
|
1,467 |
|
2019
|
|
|
1,495 |
|
2020
|
|
|
1,635 |
|
2021-2025
|
|
|
9,128 |
|
|
|
|
|
|
Total
|
|
$ |
16,358 |
|
|
|
|
|
|
|
Summary of Weighted Average Asset Allocation of Plan Assets by Asset Category |
The fair values of the Company’s pension plan assets at
March 31, 2015 and 2014, by asset category, are as
follows:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Fair Value Measurements
Using |
|
Asset
Category
|
|
At
March 31, 2015
|
|
|
Quoted prices in
active markets for
identical assets
(Level 1) |
|
|
Significant other
observable inputs
(Level
2)
|
|
|
Significant
unobservable inputs
(Level 3) |
|
Cash
|
|
$ |
126 |
|
|
$ |
126 |
|
|
$ |
— |
|
|
$ |
— |
|
Equity
securities:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
U.S. companies
|
|
|
21,586 |
|
|
|
21,586 |
|
|
|
— |
|
|
|
— |
|
International
companies
|
|
|
4,854 |
|
|
|
4,854 |
|
|
|
— |
|
|
|
— |
|
Fixed income:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate bond
funds
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Intermediate-term
|
|
|
11,109 |
|
|
|
11,109 |
|
|
|
— |
|
|
|
— |
|
Short-term
|
|
|
2,709 |
|
|
|
2,709 |
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
40,384 |
|
|
$ |
40,384 |
|
|
$ |
— |
|
|
$ |
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Fair Value Measurements
Using |
|
Asset
Category
|
|
At
March 31, 2014
|
|
|
Quoted prices in
active markets for
identical assets
(Level 1) |
|
|
Significant other
observable inputs
(Level 2) |
|
|
Significant
unobservable inputs
(Level 3) |
|
Cash
|
|
$ |
122 |
|
|
$ |
122 |
|
|
$ |
— |
|
|
$ |
— |
|
Equity
securities:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
U.S. companies
|
|
|
20,396 |
|
|
|
20,396 |
|
|
|
— |
|
|
|
— |
|
International
companies
|
|
|
4,905 |
|
|
|
4,905 |
|
|
|
— |
|
|
|
— |
|
Fixed income:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate bond
funds
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Intermediate-term
|
|
|
10,507 |
|
|
|
10,507 |
|
|
|
— |
|
|
|
— |
|
Short-term
|
|
|
2,618 |
|
|
|
2,618 |
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
38,548 |
|
|
$ |
38,548 |
|
|
$ |
— |
|
|
$ |
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Other Postretirement Benefit Plans [Member] |
|
Components of Postretirement Benefit Income and Pension Cost |
The components of postretirement benefit income are:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Year ended
March 31, |
|
|
|
2015 |
|
|
2014 |
|
|
2013 |
|
Interest cost on
accumulated benefit obligation
|
|
$ |
31 |
|
|
$ |
33 |
|
|
$ |
39 |
|
Amortization of prior
service benefit
|
|
|
(106 |
) |
|
|
(166 |
) |
|
|
(166 |
) |
Amortization of actuarial
loss
|
|
|
35 |
|
|
|
46 |
|
|
|
44 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net postretirement benefit
income
|
|
$ |
(40 |
) |
|
$ |
(87 |
) |
|
$ |
(83 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Changes in Company's Benefit Obligation, Plan Assets and Funded Status for Plan |
Changes in the Company’s benefit obligation, plan assets
and funded status for the plan are as follows:
|
|
|
|
|
|
|
|
|
|
|
Year ended
March 31, |
|
|
|
2015 |
|
|
2014 |
|
Change in the benefit
obligation
|
|
|
|
|
|
|
|
|
Projected benefit
obligation at beginning of year
|
|
$ |
951 |
|
|
$ |
1,030 |
|
Interest cost
|
|
|
31 |
|
|
|
33 |
|
Actuarial loss
(gain)
|
|
|
75 |
|
|
|
(16 |
) |
Benefit payments
|
|
|
(89 |
) |
|
|
(96 |
) |
|
|
|
|
|
|
|
|
|
Projected benefit
obligation at end of year
|
|
$ |
968 |
|
|
$ |
951 |
|
|
|
|
|
|
|
|
|
|
|
Weighted Average Actuarial Assumptions Used to Determine and Develop Net Pension Cost |
The weighted average actuarial assumptions used to develop the
accrued postretirement benefit obligation were:
|
|
|
|
|
|
|
|
|
|
|
March 31, |
|
|
|
2015 |
|
|
2014 |
|
Discount rate
|
|
|
3.11 |
% |
|
|
3.59 |
% |
Medical care cost trend
rate
|
|
|
8.00 |
% |
|
|
8.00 |
% |
|
Change in Fair Value of Plan Assets |
|
|
|
|
|
|
|
|
|
|
|
Year ended March
31, |
|
|
|
2015 |
|
|
2014 |
|
Change in fair value of
plan assets
|
|
|
|
|
|
|
|
|
Fair value of plan assets
at beginning of year
|
|
$ |
— |
|
|
$ |
— |
|
Employer
contribution
|
|
|
89 |
|
|
|
96 |
|
Benefit payments
|
|
|
(89 |
) |
|
|
(96 |
) |
|
|
|
|
|
|
|
|
|
Fair value of plan assets
at end of year
|
|
$ |
— |
|
|
$ |
— |
|
|
|
|
|
|
|
|
|
|
|
|
Schedule of Funded Status |
|
|
|
|
|
|
|
|
|
|
|
Year ended March
31, |
|
|
|
2015 |
|
|
2014 |
|
Funded status
|
|
|
|
|
|
|
|
|
Funded status at end of
year
|
|
$ |
(968 |
) |
|
$ |
(951 |
) |
|
|
|
|
|
|
|
|
|
|
Amount recognized in the
Consolidated Balance Sheets
|
|
$ |
(968 |
) |
|
$ |
(951 |
) |
|
|
|
|
|
|
|
|
|
|
Summary of Amounts Recognized in Accumulated Other Comprehensive Loss (Income), Net of Income Tax |
Amounts recognized in accumulated other comprehensive loss, net
of income tax, consist of:
|
|
|
|
|
|
|
|
|
|
|
March 31, |
|
|
|
2015 |
|
|
2014 |
|
Net actuarial
loss
|
|
$ |
321 |
|
|
$ |
295 |
|
Prior service
cost
|
|
|
— |
|
|
|
(68 |
) |
|
|
|
|
|
|
|
|
|
|
|
$ |
321 |
|
|
$ |
227 |
|
|
|
|
|
|
|
|
|
|
|
Summary of Increase (Decrease) in Accumulated Other Comprehensive Loss, Net of Income Tax |
The increase (decrease) in accumulated other comprehensive
loss, net of income tax, consists of:
|
|
|
|
|
|
|
|
|
|
|
March 31, |
|
|
|
2015 |
|
|
2014 |
|
Net actuarial loss (gain)
arising during the year
|
|
$ |
48 |
|
|
$ |
(10 |
) |
Amortization of actuarial
loss
|
|
|
(23 |
) |
|
|
(30 |
) |
Amortization of prior
service cost
|
|
|
69 |
|
|
|
107 |
|
|
|
|
|
|
|
|
|
|
|
|
$ |
94 |
|
|
$ |
67 |
|
|
|
|
|
|
|
|
|
|
|
Summary of Benefit Payments, Which Reflect Future Service, are Expected to be Paid |
The following benefit payments are expected to be paid during
the fiscal years ending March 31:
|
|
|
|
|
2016
|
|
$ |
92 |
|
2017
|
|
|
89 |
|
2018
|
|
|
86 |
|
2019
|
|
|
82 |
|
2020
|
|
|
78 |
|
2021-2025
|
|
|
331 |
|
|
|
|
|
|
Total
|
|
$ |
758 |
|
|
|
|
|
|
|