Pension Plans (Tables)

6 Months Ended

Oct. 29, 2016

Pension Plans

Schedule of net periodic pension costs

	Quarter Ended						Six Months Ended
(Unaudited, amounts in thousands)	10/29/16			10/24/15			10/29/16			10/24/15
Service cost	$	319		$	333		$	638		$	666
Interest cost	1,170			1,211			2,340			2,422
Expected return on plan assets	(1,245		)	(1,226		)	(2,490		)	(2,452		)
Net amortization	764			736			1,528			1,472
Net periodic pension cost	$	1,008		$	1,054		$	2,016		$	2,108