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Employee Benefit Plans (Tables)
 12 Months Ended
Feb. 28, 2015
Compensation and Retirement Disclosure [Abstract]  
Schedule of Defined Benefit Plans Disclosures
The following tables present reconciliations of the benefit obligation of the defined-benefit pension plans and the funded status of the defined-benefit pension plans. Both the Tubelite plan and the SERP use a fiscal year-end measurement date.
(In thousands)
2015
 
2014
Change in benefit obligation
 
 
 
Benefit obligation beginning of period
$
14,274

 
$
14,869

Interest cost
550

 
538

Actuarial loss (gain)
2,424

 
(113
)
Benefits paid
(995
)
 
(1,020
)
Benefit obligation at measurement date
$
16,253

 
$
14,274

 
 
 
 
Change in plan assets
 
 
 
Fair value of plan assets beginning of period
$
4,430

 
$
4,709

Actual return on plan assets
134

 
(66
)
Company contributions
850

 
807

Benefits paid
(995
)
 
(1,020
)
Fair value of plan assets at measurement date
$
4,419

 
$
4,430

 
 
 
 
Funded status - net amount recognized
$
(11,834
)
 
$
(9,844
)
Schedule of Amounts Recognized in Balance Sheet
Amounts recognized in the consolidated balance sheets consist of:
(In thousands)
2015
 
2014
Current liabilities
$
(648
)
 
$
(638
)
Other non-current liabilities
(11,186
)
 
(9,206
)
Total
$
(11,834
)
 
$
(9,844
)
Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized as Components of Net Periodic Benefit Cost
Amounts included in accumulated other comprehensive loss that have not yet been recognized as components of net periodic benefit cost consist of:
(In thousands)
2015
 
2014
Net actuarial loss
$
6,857

 
$
4,569

Accumulated other comprehensive loss
$
6,857

 
$
4,569
Schedule of Amounts Recognized in Comprehensive Earnings
The amount recognized in comprehensive earnings for fiscal 2015 and 2014, net of tax expense, is as follows:
(In thousands)
2015
 
2014
Net actuarial loss (gain)
$
1,458

 
$
(19
)
Total
$
1,458

 
$
(19
)
Schedule of Net Benefit Costs
Components of the defined-benefit pension plans' net periodic benefit cost are as follows:
(In thousands)
 
2015
 
2014
 
2013
Interest cost
 
$
550

 
$
538

 
$
570

Expected return on assets
 
(171
)
 
(183
)
 
(177
)
Amortization of unrecognized net loss
 
172

 
163

 
211

Net periodic benefit cost
 
$
551

 
$
518

 
$
604
Schedule of Assumptions Used
Weighted-average assumptions used at the measurement date to determine the defined-benefit plans' benefit obligation for the following fiscal years are as follows:
(Percentages)
2015
 
2014
 
2013
Discount rate
3.60
%
 
4.00
%
 
3.75
%

Weighted-average assumptions used at the measurement date to determine the defined-benefit plans' net periodic benefit cost for the following fiscal years are as follows:
(Percentages)
2015
 
2014
 
2013
Discount rate
4.00
%
 
3.75
%
 
4.00
%
Expected return on assets
4.50
%
 
4.50
%
 
4.50
%
Schedule of Expected Benefit Payments
The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid by the plans as follows:
(In thousands)
 
Fiscal 2016
$
1,028

Fiscal 2017
1,027

Fiscal 2018
1,016

Fiscal 2019
1,043

Fiscal 2020
1,030

Fiscal 2021-2025
4,860