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Employee Benefit Plans (Tables)
 9 Months Ended
Mar. 31, 2014
Compensation and Retirement Disclosure [Abstract]  
Schedule of Net Periodic Benefit Costs
The net periodic benefit cost for the defined benefit pension plans is as follows:
 
Three Months Ended
March 31,
 
Nine Months Ended
March 31,
 
2014
 
2013
 
2014
 
2013
(In thousands)
 
 
 
Service cost
$
100

 
$
119

 
$
300

 
$
357

Interest cost
1,452

 
1,449

 
4,356

 
4,347

Expected return on plan assets
(1,705
)
 
(1,660
)
 
(5,115
)
 
(4,980
)
Amortization of net loss*
336

 
387

 
1,008

 
1,161

Amortization of net prior service cost*
—

 
5

 
—

 
15

Net periodic benefit cost
$
183

 
$
300

 
$
549

 
$
900

The following table shows the components of net periodic postretirement benefit cost (credit) for the three and nine months ended March 31, 2014 and 2013 for the postretirement medical and death benefits. Net periodic postretirement benefit cost (credit) for the three and nine months ended March 31, 2014 is based on employee census information as of July 1, 2013 and asset information as of June 30, 2013.
 
 
 
Three Months Ended March 31,
 
Nine Months Ended March 31,
 
 
2014
 
2013
 
2014
 
2013
(In thousands)
 
 
 
 
Components of Net Periodic Postretirement Benefit Cost:
 
 
 
 
 
 
 
 
Service cost
 
$
234

 
$
493

 
$
702

 
$
986

Interest cost
 
202

 
242

 
607

 
484

Expected return on plan assets
 
—

 
—

 
—

 
—

Amortization of net (gain) loss
 
(220
)
 
4

 
(661
)
 
8

Amortization of unrecognized transition (asset) obligation
 
—

 
—

 
—

 
—

Amortization of net prior service credit
 
(440
)
 
(439
)
 
(1,319
)
 
(878
)
Net periodic postretirement benefit (credit) cost
 
$
(224
)
 
$
300

 
$
(671
)
 
$
600
Schedule of Weighted Average Assumptions Used
Weighted-average assumptions used to determine net periodic postretirement benefit cost 
 
Fiscal
 
2014
 
2013
Postretirement medical benefit discount rate
4.80%
 
4.20%
Postretirement death benefit discount rate
4.53%
 
4.39%


Weighted-average assumptions used to determine net periodic benefit cost
 
Fiscal
 
2014
 
2013
Discount rate
4.50%
 
4.55%
Expected long-term rate of return on plan assets
8.00%
 
8.00%