Pension and Other Postretirement Benefits (Tables)

6 Months Ended

Jan. 31, 2014

PENSION AND OTHER POSTRETIREMENT BENEFITS [Abstract]

Schedule of Net Benefit Costs

The components of net periodic pension and postretirement health benefit costs were as follows:

	Pension Benefits
	(in thousands)
	For the Three Months Ended January 31,						For the Six Months Ended January 31,
	2014			2013			2014			2013
Service cost	$	361		$	417		$	721		$	876
Interest cost	435			384			871			772
Expected return on plan assets	(429		)	(373		)	(858		)	(755		)
Amortization of:
Prior service costs	4			4			7			7
Other actuarial loss	78			220			156			442
Net periodic benefit cost	$	449		$	652		$	897		$	1,342
	Postretirement Health Benefits
	(in thousands)
	For the Three Months Ended January 31,						For the Six Months Ended January 31,
	2014			2013			2014			2013
Service cost	$	30		$	34		$	60		$	68
Interest cost	29			24			58			48
Amortization of:
Net transition obligation	4			4			8			8
Prior service costs	(2		)	—			(3		)	—
Other actuarial loss	8			13			15			26
Net periodic benefit cost	$	69		$	75		$	138		$	150

Schedule of Assumptions Used

Assumptions used in the previous calculations were as follows:

	Pension Benefits				Postretirement Health Benefits
	For the Three and Six Months Ended January 31,
	2014		2013		2014		2013
Discount rate for net periodic benefit cost	4.80	%	3.75	%	4.80	%	3.75	%
Rate of increase in compensation levels	3.50	%	3.50	%	—		—
Long-term expected rate of return on assets	7.50	%	7.50	%	—		—

The medical cost trend assumption for postretirement health benefits was 8.0%. The graded trend rate is expected to decrease to an ultimate rate of 5.0% in fiscal 2024.