Retirement Plans (Tables)

9 Months Ended

Nov. 30, 2019

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Summary of net periodic pension expense for the defined benefit plans

	Defined Benefit				Defined Benefit
	Pension Plan				Pension Plan
	Thirteen Week Period Ended				Thirty-Nine Week Period Ended
	November 30,		December 1,		November 30,		December 1,
	2019		2018		2019		2018
Service cost	$	143	$	(12)	$	428	$	612
Interest cost		1,556		1,522		4,667		4,678
Expected return on plan assets		(1,214)		(1,415)		(3,641)		(4,285)
Amortization of unrecognized prior service cost		—		—		—		—
Amortization of unrecognized net loss		415		393		1,245		1,407
Net periodic pension expense	$	900	$	488	$	2,699	$	2,412