Comprehensive Income

9 Months Ended

Oct. 31, 2011

Comprehensive Income [Abstract]

Comprehensive Income [Text Block]

Comprehensive Income

Comprehensive income consists of two components, net income and other comprehensive income. Other comprehensive income refers to revenue, expenses, gains, and losses that under U.S. generally accepted accounting principles are recorded as an element of shareholders’ equity but are excluded from net income.

The components of total comprehensive income follow:

	Three Months Ended					Nine Months Ended
	October 31, 2011			October 31, 2010		October 31, 2011		October 31, 2010
Net income	$	11,398		$	11,833	$	39,575	$	33,131
Other comprehensive income:
Foreign currency translation	(145		)	36		15		84
Amortization of postretirement benefit plan actuarial losses, net of income tax of $11, $15, $33, and $44	21			27		62		81
Total other comprehensive income	(124		)	63		77		165
Total comprehensive income	$	11,274		$	11,896	$	39,652	$	33,296