XML 27 R14.htm IDEA: XBRL DOCUMENT

Employee Retirement Benefits

9 Months Ended

Oct. 31, 2011

Employee Retirement Benefits [Abstract]

Employee Retirement Benefits [Text Block]

Employee Retirement Benefits

The components of net periodic benefit cost for postretirement benefits are as follows:



	Three Months Ended				Nine Months Ended
	October 31, 2011		October 31, 2010		October 31, 2011		October 31, 2010
Service cost	$	30	$	15	$	90	$	46
Interest cost	83		81		251		243
Amortization of actuarial losses	32		42		95		125
Net periodic benefit cost	$	145	$	138	$	436	$	414

- Definition

The entire disclosure for postemployment benefits, which may include supplemental unemployment benefits, obligations recognized for all types of benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement. Disclosure may also include discussion that an obligation for postemployment benefits is not accrued in accordance with regulation only because the amount cannot be reasonably estimated.

+ References+ Details