Employee Benefit Plans

6 Months Ended

Jul. 31, 2013

Compensation and Retirement Disclosure [Abstract]

EMPLOYEE BENEFIT PLANS

The Company maintains several pension and retirement plans, and also provides certain health-care and life insurance benefits.

Net periodic pension and other postretirement benefit expense included the following components:



	Three Months Ended July 31,
	Pension Benefits						Other Postretirement Benefits
(in thousands)	2013			2012			2013			2012
Net Periodic Benefit Cost:
Service cost	$	4,521		$	4,622		$	673		$	489
Interest cost	6,639			6,811			653			624
Expected return on plan assets	(6,170		)	(5,322		)	—			—
Amortization of prior service cost	243			254			(165		)	(165		)
Amortization of net loss	4,305			3,988			10			(81		)
Net expense	$	9,538		$	10,353		$	1,171		$	867



	Six Months Ended July 31,
	Pension Benefits						Other Postretirement Benefits
(in thousands)	2013			2012			2013			2012
Net Periodic Benefit Cost:
Service cost	$	9,577		$	9,038		$	1,396		$	1,191
Interest cost	13,504			13,398			1,381			1,420
Expected return on plan assets	(11,120		)	(10,208		)	—			—
Amortization of prior service cost	486			508			(330		)	(330		)
Amortization of net loss	9,505			7,978			106			15
Net expense	$	21,952		$	20,714		$	2,553		$	2,296

- Definition

The entire disclosure for pension and other postretirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Name Statement of Financial Accounting Standard (FAS)

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+ Details