Other Postretirement Benefits (Tables) - Other Postretirement Benefit Plans, Defined Benefit [Member]

12 Months Ended

Dec. 25, 2016

Other Postretirement Benefits

Schedule of Components of Net Periodic Postretirement Benefit Cost

The components of net periodic postretirement benefit (income)/expense were as follows:

(In thousands)	December 25, 2016			December 27, 2015			December 28, 2014
Service cost	$	417		$	588		$	580
Interest cost	1,979			2,794			3,722
Amortization and other costs	4,105			5,197			7,299
Amortization of prior service credit	(8,440		)	(9,495		)	(7,199		)
Net periodic postretirement benefit (income)/expense	$	(1,939	)	$	(916	)	$	4,402

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss)

The changes in the benefit obligations recognized in other comprehensive income/loss were as follows:

(In thousands)	December 25, 2016			December 27, 2015			December 28, 2014
Net actuarial loss/(gain)	$	28		$	(5,543	)	$	8,882
Prior service cost/(credit)	—			1,145			(25,489		)
Amortization of loss	(4,105		)	(5,197		)	(4,948		)
Amortization of prior service credit	8,440			9,495			7,199
Total recognized in other comprehensive loss/(income)	4,363			(100		)	(14,356		)
Net periodic postretirement benefit (income)/expense	(1,939		)	(916		)	4,402
Total recognized in net periodic postretirement benefit income and other comprehensive loss/(income)	$	2,424		$	(1,016	)	$	(9,954	)

Schedule of Changes in Projected Benefit Obligations and Plan Assets

The changes in the benefit obligation and plan assets and other amounts recognized in other comprehensive income/loss were as follows:

(In thousands)	December 25, 2016			December 27, 2015
Change in benefit obligation
Benefit obligation at beginning of year	$	71,047		$	81,054
Service cost	417			588
Interest cost	1,979			2,794
Plan participants’ contributions	4,409			4,230
Actuarial loss/(gain)	28			(5,543		)
Plan amendments	—			1,145
Benefits paid	(12,838		)	(13,221		)
Benefit obligation at the end of year	65,042			71,047
Change in plan assets
Fair value of plan assets at beginning of year	—			—
Employer contributions	8,429			8,991
Plan participants’ contributions	4,409			4,230
Benefits paid	(12,838		)	(13,221		)
Fair value of plan assets at end of year	—			—
Net amount recognized	$	(65,042	)	$	(71,047	)
Amount recognized in the Consolidated Balance Sheets
Current liabilities	$	(7,043	)	$	(8,168	)
Noncurrent liabilities	(57,999		)	(62,879		)
Net amount recognized	$	(65,042	)	$	(71,047	)
Amount recognized in accumulated other comprehensive loss
Actuarial loss	$	22,522		$	26,599
Prior service credit	(32,870		)	(41,309		)
Total	$	(10,348	)	$	(14,710	)

Schedule of Assumptions Used

Weighted-average assumptions used in the actuarial computations to determine the postretirement benefit obligations were as follows:

	December 25, 2016		December 27, 2015
Discount rate	3.94	%	4.04	%
Estimated increase in compensation level	3.50	%	3.50	%

Weighted-average assumptions used in the actuarial computations to determine net periodic postretirement cost were as follows:

	December 25, 2016		December 27, 2015		December 28, 2014
Discount rate for determining projected benefit obligation	4.05	%	3.74	%	4.22	%
Discount rate in effect for determining service cost	4.24	%	3.74	%	4.22	%
Discount rate in effect for determining interest cost	2.96	%	3.74	%	4.22	%
Estimated increase in compensation level	3.50	%	3.50	%	3.50	%

Schedule of Health Care Cost Trend Rates

The assumed health-care cost trend rates were as follows:

	December 25, 2016		December 27, 2015
Health-care cost trend rate	8.00	%	7.20	%
Rate to which the cost trend rate is assumed to decline (ultimate trend rate)	5.00	%	5.00	%
Year that the rate reaches the ultimate trend rate	2025		2023

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates

A one-percentage point change in assumed health-care cost trend rates would have the following effects:

	One-Percentage Point
(In thousands)	Increase		Decrease
Effect on total service and interest cost for 2016	$	56	$	(51	)
Effect on accumulated postretirement benefit obligation as of December 25, 2016	$	2,352	$	(2,061	)

Schedule of Expected Benefit Payments

The following benefit payments (net of plan participant contributions) under our Company’s postretirement plans, which reflect expected future services, are expected to be paid:

(In thousands)	Amount
2017	$	7,227
2018	6,795
2019	6,303
2020	5,890
2021	5,466
2022-2026 (1)	21,984

(1) While benefit payments under these plans are expected to continue beyond 2026, we have presented in this table only those benefit payments estimated over the next 10 years.