Retirement Plans (Tables)

9 Months Ended

Dec. 02, 2017

Retirement Plans

Summary of net periodic pension expense for the defined benefit plans

	Defined Benefit Pension Plan						Defined Benefit Pension Plan
	Thirteen Week Period Ended						Thirty-Nine Week Period Ended
	December 2, 2017			November 26, 2016			December 2, 2017			November 26, 2016
Service cost	$	346		$	292		$	1,038		$	876
Interest cost	1,603			1,621			4,809			4,863
Expected return on plan assets	(1,147		)	(1,142		)	(3,441		)	(3,426		)
Amortization of unrecognized prior service cost	—			—			—			—
Amortization of unrecognized net loss	856			1,132			2,569			3,396
Net periodic pension expense	$	1,658		$	1,903		$	4,975		$	5,709