Retirement Plans (Tables)

6 Months Ended

Sep. 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						Twenty-Six Week Period Ended
	September 2, 2017			August 27, 2016			September 2, 2017			August 27, 2016
Service cost	$	346		$	292		$	692		$	584
Interest cost	1,603			1,621			3,206			3,242
Expected return on plan assets	(1,147		)	(1,142		)	(2,294		)	(2,284		)
Amortization of unrecognized prior service cost	—			—			—			—
Amortization of unrecognized net loss	857			1,132			1,713			2,264
Net periodic pension expense	$	1,659		$	1,903		$	3,317		$	3,806