Earnings Per Share (Tables)

6 Months Ended

Jul. 31, 2018

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,
	2018		2017		2018		2017
(in thousands, except per share data)
Net income	$	75,866	$	47,459	$	109,565	$	78,113
Weighted average common shares - basic	38,428		38,174		38,356		37,720
Effect of dilutive securities:
Equity based awards	138		214		209		215
Weighted average common shares - diluted	38,566		38,388		38,565		37,935
Earnings per share:
Basic	$	1.97	$	1.24	$	2.86	$	2.07
Diluted	$	1.97	$	1.24	$	2.84	$	2.06

For the three months ended July 31, 2018 and 2017, there were 46,727 and 26,454 shares, respectively, excluded from the computation of diluted earnings per share because their effect would have been antidilutive. For the six months ended July 31, 2018 and 2017, there were 46,212 and 36,956 shares, respectively, excluded from the computation of diluted earnings per share because their effect would have been antidilutive.