Pension Plan (Tables)

9 Months Ended

Oct. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Components of pension cost

	Three Months Ended						Nine Months Ended
	October 31, 2015			November 1, 2014			October 31, 2015			November 1, 2014
Employer service cost	$	88		$	52		$	262		$	158
Interest cost	391			423			1,174			1,269
Expected return on plan assets	(549		)	(533		)	(1,646		)	(1,601		)
Net loss amortization	194			100			581			299
Net periodic pension cost	$	124		$	42		$	371		$	125