Earnings Per Share - (Tables)

3 Months Ended

Oct. 29, 2016

Earnings Per Share Disclosure [Abstract]

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

				Three Months Ended				Nine Months Ended
				October 29, 2016		October 31, 2015		October 29, 2016		October 31, 2015
		(Dollars in thousands)
Numerator
	Net earnings		$	8,260	$	8,319	$	60,021	$	54,996
	Earnings allocated to non-vested equity awards			(170)		(175)		(1,223)		(1,145)
	Net earnings available to common stockholders		$	8,090	$	8,144	$	58,798	$	53,851
Denominator
	Basic weighted average common shares outstanding			26,738,809		27,368,931		27,039,343		27,396,760
	Dilutive effect of stock options			1,436		5,234		1,807		5,703
	Diluted weighted average common shares outstanding			26,740,245		27,374,165		27,041,150		27,402,463
Net income per common share
	Basic earnings per share (Class A and B Shares)		$	0.30	$	0.30	$	2.17	$	1.97
	Diluted earnings per share (Class A and B Shares)		$	0.30	$	0.30	$	2.17	$	1.97