Retirement Plans (Tables)

9 Months Ended

Nov. 29, 2014

Retirement Plans

Summary of net periodic pension expense for the defined benefit plans

	Defined Benefit Pension Plan						Nonqualified Executive Retirement Plans				Defined Benefit Pension Plan						Nonqualified Executive Retirement Plans
	Thirteen Week Period Ended										Thirty-Nine Week Period Ended
	November 29, 2014			November 30, 2013			November 29, 2014		November 30, 2013		November 29, 2014			November 30, 2013			November 29, 2014		November 30, 2013
Service cost	$	792		$	830		$	—	$	—	$	2,377		$	2,490		$	—	$	—
Interest cost		1,631			1,551			136		136		4,893			4,653			406		407
Expected return on plan assets		(1,929	)		(1,780	)		—		—		(5,787	)		(5,338	)		—		—
Amortization of unrecognized prior service cost		60			60			—		—		180			180			—		—
Amortization of unrecognized net loss		600			1,203			—		—		1,799			3,608			—		—
Net pension expense	$	1,154		$	1,864		$	136	$	136	$	3,462		$	5,593		$	406	$	407