Earnings Per Share Details (Tables)

6 Months Ended

Jul. 31, 2015

Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The composition of basic and diluted EPS is as follows:

	Three months ended July 31,				Six months ended July 31,
	2015		2014		2015		2014
	(In thousands, except per share data)
Net income	$	76,412	$	39,328	$	127,689	$	52,795
Weighted average common shares - basic	36,506		38,244		36,661		38,191
Effect of dilutive securities:
Equity based awards	109		124		168		151
Weighted average common shares - diluted	36,615		38,368		36,829		38,342
Net income per share:
Basic	$	2.09	$	1.03	$	3.48	$	1.38
Diluted	$	2.09	$	1.03	$	3.47	$	1.38