EMPLOYEE BENEFIT PLANS

The following tables summarize the components of net periodic benefit cost and the changes recognized in "Accumulated other comprehensive loss" for the Company’s defined benefit pension plans and postretirement benefit plans:



	Pension Benefits						Postretirement Benefits
	Three Months Ended						Three Months Ended
	August 27, 2017			August 28, 2016			August 27, 2017			August 28, 2016
	(Dollars in thousands)
Net periodic benefit cost:
Service cost	$	2,510		$	2,064		$	43		$	50
Interest cost	9,233			9,453			787			805
Expected return on plan assets	(12,162		)	(12,105		)	—			—
Amortization of prior service benefit	(16		)	(15		)	—			—
Amortization of actuarial loss	3,365			3,005			318			742
Curtailment loss (gain)	41			(361		)	—			—
Net settlement loss	19			21			—			—
Net periodic benefit cost	2,990			2,062			1,148			1,597
Changes in accumulated other comprehensive loss:
Actuarial loss	(7		)	—			—			—
Amortization of prior service benefit	16			15			—			—
Amortization of actuarial loss	(3,365		)	(3,005		)	(318		)	(742		)
Curtailment gain	—			396			—			—
Net settlement loss	(19		)	(21		)	—			—
Total recognized in accumulated other comprehensive loss	(3,375		)	(2,615		)	(318		)	(742		)
Total recognized in net periodic benefit cost and accumulated other comprehensive loss	$	(385	)	$	(553	)	$	830		$	855



	Pension Benefits						Postretirement Benefits
	Nine Months Ended						Nine Months Ended
	August 27, 2017			August 28, 2016			August 27, 2017			August 28, 2016
	(Dollars in thousands)
Net periodic benefit cost:
Service cost	$	7,452		$	6,194		$	129		$	150
Interest cost	27,601			28,415			2,361			2,417
Expected return on plan assets	(36,399		)	(36,401		)	—			—
Amortization of prior service benefit	(46		)	(46		)	—			—
Amortization of actuarial loss	10,123			9,040			953			2,225
Curtailment loss (gain)	108			(361		)	—			—
Net settlement loss	113			21			—			—
Net periodic benefit cost	8,952			6,862			3,443			4,792
Changes in accumulated other comprehensive loss:
Actuarial (gain) loss	(10		)	170			—			—
Amortization of prior service benefit	46			46			—			—
Amortization of actuarial loss	(10,123		)	(9,040		)	(953		)	(2,225		)
Curtailment gain	—			396			—			—
Net settlement loss	(113		)	(21		)	—			—
Total recognized in accumulated other comprehensive loss	(10,200		)	(8,449		)	(953		)	(2,225		)
Total recognized in net periodic benefit cost and accumulated other comprehensive loss	$	(1,248	)	$	(1,587	)	$	2,490		$	2,567