Employee Benefit Plans

6 Months Ended

Jul. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Compensation and Employee Benefit Plans [Text Block]

11. 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)	2014			2013			2014			2013
Net Periodic Benefit Cost:
Service cost	$	3,858		$	4,521		$	569		$	673
Interest cost	7,001			6,639			651			653
Expected return on plan assets	(5,928		)	(6,170		)	—			—
Amortization of prior service cost (credit)	77			243			(169		)	(165		)
Amortization of net loss	3,163			4,305			3			10
Net expense	$	8,171		$	9,538		$	1,054		$	1,171

	Six Months Ended July 31,
	Pension Benefits						Other Postretirement Benefits
(in thousands)	2014			2013			2014			2013
Net Periodic Benefit Cost:
Service cost	$	8,481		$	9,577		$	1,164		$	1,396
Interest cost	14,131			13,504			1,323			1,381
Expected return on plan assets	(11,818		)	(11,120		)	—			—
Amortization of prior service cost (credit)	137			486			(337		)	(330		)
Amortization of net loss	6,564			9,505			10			106
Net expense	$	17,495		$	21,952		$	2,160		$	2,553