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Employee Benefit Plans (Tables)
6 Months Ended
Dec. 31, 2012
Defined Benefit Pension Plans
 
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss)
The net periodic benefit cost for the defined benefit pension plans is as follows:
 
Three Months Ended
December 31,
 
Six Months Ended
December 31,
 
2012
 
2011
 
2012
 
2011
(In thousands)
(Unaudited)
 
(Unaudited)
Service cost
$
119

 
$
124

 
$
238

 
$
248

Interest cost
1,449

 
1,525

 
2,898

 
3,050

Expected return on plan assets
(1,660
)
 
(1,703
)
 
(3,320
)
 
(3,406
)
Amortization of net loss(1)
387

 
342

 
774

 
685

Amortization of net prior service cost(1)
5

 
5

 
10

 
10

Net periodic benefit cost
$
300

 
$
293

 
$
600

 
$
587

_____________
(1)
These amounts represent the estimated portion of the net loss and net prior service cost remaining in accumulated other comprehensive income that is expected to be recognized as a component of net periodic benefit cost over the current fiscal year.

Weighted average assumptions used to determine net periodic benefit cost
 
Fiscal
 
2013
 
2012
Discount rate
4.55%
 
5.60%
Expected long-term rate of return
8.00%
 
8.25%
Rate of compensation increase(1)
—%
 
3.00%
 
_____________
(1) For Hourly Employees' Plan only.
Other Postretirement Benefits
 
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss)
The net periodic postretirement benefit cost is as follows:
 
 
Three Months Ended December 31,
 
Six Months Ended December 31,

 
2012
 
2011
 
2012
 
2011
(In thousands)
 
(Unaudited)
 
(Unaudited)
Service cost
 
$
860

 
$
409

 
$
1,269

 
$
818

Interest cost
 
26

 
330

 
356

 
660

Expected return on plan assets
 

 

 

 

Amortization of net gain
 
(236
)
 
(199
)
 
(435
)
 
(398
)
Amortization of unrecognized transition (asset) obligation
 

 

 

 

Amortization of prior service credit
 
(422
)
 
(58
)
 
(480
)
 
(116
)
Net periodic postretirement benefit cost
 
$
228

 
$
482

 
$
710

 
$
964

Weighted average assumptions used to determine net periodic postretirement benefit cost 
 
Fiscal
 
2013
 
2012
Discount rate
4.40%
 
5.46%