Earnings Per Share Details (Tables)

6 Months Ended

Jul. 31, 2017

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

Schedule of Earnings Per Share, Basic and Diluted

The composition of basic and diluted EPS is as follows:

	Three months ended July 31,				Six months ended July 31,
	2017		2016		2017		2016
(in thousands, except per share data)
Net income	$	47,459	$	46,394	$	78,113	$	79,767
Weighted average common shares - basic	38,174		35,207		37,720		35,167
Effect of dilutive securities:
Equity based awards	214		171		215		206
Weighted average common shares - diluted	38,388		35,378		37,935		35,373
Earnings per share:
Basic	$	1.24	$	1.32	$	2.07	$	2.27
Diluted	$	1.24	$	1.31	$	2.06	$	2.26