Retirement Plans (Tables)

3 Months Ended

May. 30, 2015

Retirement Plans

Summary of net periodic pension expense for the defined benefit plans

	Defined Benefit Pension Plan						Nonqualified Executive Retirement Plans
	Thirteen Week Period Ended
	May 30, 2015			May 31, 2014			May 30, 2015		May 31, 2014
Service cost	$	512		$	793		$	—	$	—
Interest cost	1,633			1,631			119		135
Expected return on plan assets	(1,593		)	(1,929		)	—		—
Amortization of unrecognized prior service cost	17			60			—		—
Amortization of unrecognized net loss	978			599			—		—
Net pension expense	$	1,547		$	1,154		$	119	$	135